Q: What is the negative version of the number 644,635,472?
A: -644,635,472
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:
| 644,635,470 | 644,635,471 | 644,635,473 | 644,635,474 |
| -644,635,470 | -644,635,471 | -644,635,473 | -644,635,474 |