6629800980 has 48 divisors (see below), whose sum is σ = 20251030464. Its totient is φ = 1607224320.

The previous prime is 6629800979. The next prime is 6629800993. The reversal of 6629800980 is 890089266.

It is a super-2 number, since 2×6629800980² = 87908522068817920800, which contains 22 as substring.

It is a congruent number.

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, 5021917 + ... + 5023236.

It is an arithmetic number, because the mean of its divisors is an integer number (421896468).

Almost surely, 2^6629800980 is an apocalyptic number.

6629800980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6629800980 is an abundant number, since it is smaller than the sum of its proper divisors (13621229484).

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

6629800980 is a wasteful number, since it uses less digits than its factorization.

6629800980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10045176 (or 10045174 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 6629800980 is about 81423.5898250624. The cubic root of 6629800980 is about 1878.5964493948.

The spelling of 6629800980 in words is "six billion, six hundred twenty-nine million, eight hundred thousand, nine hundred eighty".