Q: What is the negative version of the number 647,644,215?
A: -647,644,215
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:
| 647,644,213 | 647,644,214 | 647,644,216 | 647,644,217 |
| -647,644,213 | -647,644,214 | -647,644,216 | -647,644,217 |