Q: What is the negative version of the number 138,644,549?
A: -138,644,549
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:
| 138,644,547 | 138,644,548 | 138,644,550 | 138,644,551 |
| -138,644,547 | -138,644,548 | -138,644,550 | -138,644,551 |