Q: What is the negative version of the number 138,644,551?
A: -138,644,551
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:
| 138,644,549 | 138,644,550 | 138,644,552 | 138,644,553 |
| -138,644,549 | -138,644,550 | -138,644,552 | -138,644,553 |