Q: What is the negative version of the number 815,431,839?
A: -815,431,839
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:
| 815,431,837 | 815,431,838 | 815,431,840 | 815,431,841 |
| -815,431,837 | -815,431,838 | -815,431,840 | -815,431,841 |