Q: What is the negative version of the number 551,816,644?
A: -551,816,644
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:
| 551,816,642 | 551,816,643 | 551,816,645 | 551,816,646 |
| -551,816,642 | -551,816,643 | -551,816,645 | -551,816,646 |