---
title: unsigned64BitValue
framework: driverkit
role: symbol
role_heading: Instance Method
path: driverkit/osnumber/unsigned64bitvalue
---

# unsigned64BitValue

Returns the value of the OSNumber as a uint64_t value.

## Declaration

```occ
uint64_t unsigned64BitValue() const;
```

## Return Value

Return Value Returns the value of the OSNumber as a uint64_t value.

## See Also

### Getting Integer Values

- [unsigned8BitValue](driverkit/osnumber/unsigned8bitvalue.md)
- [unsigned16BitValue](driverkit/osnumber/unsigned16bitvalue.md)
- [unsigned32BitValue](driverkit/osnumber/unsigned32bitvalue.md)
- [OSNumberGetUInt64Value](driverkit/osnumbergetuint64value.md)