Q: What is the negative version of the number 644,125,525?
A: -644,125,525
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:
| 644,125,523 | 644,125,524 | 644,125,526 | 644,125,527 |
| -644,125,523 | -644,125,524 | -644,125,526 | -644,125,527 |