6899745900 has 36 divisors (see below), whose sum is σ = 19963265672. Its totient is φ = 1839932160.

The previous prime is 6899745887. The next prime is 6899745913. The reversal of 6899745900 is 95479986.

It is an interprime number because it is at equal distance from previous prime (6899745887) and next prime (6899745913).

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11499277 + ... + 11499876.

Almost surely, 2^6899745900 is an apocalyptic number.

6899745900 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6899745900 is an abundant number, since it is smaller than the sum of its proper divisors (13063519772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6899745900 is a wasteful number, since it uses less digits than its factorization.

6899745900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22999170 (or 22999163 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 57.

The square root of 6899745900 is about 83064.7091128356. The cubic root of 6899745900 is about 1903.7548921085.

The spelling of 6899745900 in words is "six billion, eight hundred ninety-nine million, seven hundred forty-five thousand, nine hundred".