Q: What is the negative version of the number 642,631,805?
A: -642,631,805
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:
| 642,631,803 | 642,631,804 | 642,631,806 | 642,631,807 |
| -642,631,803 | -642,631,804 | -642,631,806 | -642,631,807 |