Q: What is the negative version of the number 644,304,724?
A: -644,304,724
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:
| 644,304,722 | 644,304,723 | 644,304,725 | 644,304,726 |
| -644,304,722 | -644,304,723 | -644,304,725 | -644,304,726 |