Q: What is the negative version of the number 644,145,471?
A: -644,145,471
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:
| 644,145,469 | 644,145,470 | 644,145,472 | 644,145,473 |
| -644,145,469 | -644,145,470 | -644,145,472 | -644,145,473 |