6569980620 has 48 divisors (see below), whose sum is σ = 21023939328. Its totient is φ = 1501709760.

The previous prime is 6569980609. The next prime is 6569980657. The reversal of 6569980620 is 260899656.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7820986 + ... + 7821825.

It is an arithmetic number, because the mean of its divisors is an integer number (437998736).

Almost surely, 2^6569980620 is an apocalyptic number.

6569980620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6569980620 is an abundant number, since it is smaller than the sum of its proper divisors (14453958708).

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

6569980620 is a wasteful number, since it uses less digits than its factorization.

6569980620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15642830 (or 15642828 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 6569980620 is about 81055.4169688862. The cubic root of 6569980620 is about 1872.9292096387.

The spelling of 6569980620 in words is "six billion, five hundred sixty-nine million, nine hundred eighty thousand, six hundred twenty".