Q: What is the negative version of the number 664,134,643?
A: -664,134,643
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 664,134,641 | 664,134,642 | 664,134,644 | 664,134,645 |
| -664,134,641 | -664,134,642 | -664,134,644 | -664,134,645 |