Q: What is the negative version of the number 644,633,476?
A: -644,633,476
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:
| 644,633,474 | 644,633,475 | 644,633,477 | 644,633,478 |
| -644,633,474 | -644,633,475 | -644,633,477 | -644,633,478 |