Q: What is the negative version of the number 18,921,409?
A: -18,921,409
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:
| 18,921,407 | 18,921,408 | 18,921,410 | 18,921,411 |
| -18,921,407 | -18,921,408 | -18,921,410 | -18,921,411 |