6680912931 has 48 divisors (see below), whose sum is σ = 12053283840. Its totient is φ = 3464300160.

The previous prime is 6680912929. The next prime is 6680912957. The reversal of 6680912931 is 1392190866.

It is a happy number.

It is not a de Polignac number, because 6680912931 - 2¹ = 6680912929 is a prime.

It is a super-2 number, since 2×6680912931² = 89269195183206021522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6680912921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 385846 + ... + 402788.

It is an arithmetic number, because the mean of its divisors is an integer number (251110080).

Almost surely, 2^6680912931 is an apocalyptic number.

6680912931 is a deficient number, since it is larger than the sum of its proper divisors (5372370909).

6680912931 is a wasteful number, since it uses less digits than its factorization.

6680912931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17536 (or 17533 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 6680912931 is about 81736.8517316394. The cubic root of 6680912931 is about 1883.4117287508.

The spelling of 6680912931 in words is "six billion, six hundred eighty million, nine hundred twelve thousand, nine hundred thirty-one".