Q: What is the negative version of the number 813,644,647?
A: -813,644,647
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:
| 813,644,645 | 813,644,646 | 813,644,648 | 813,644,649 |
| -813,644,645 | -813,644,646 | -813,644,648 | -813,644,649 |