6934940664 has 32 divisors (see below), whose sum is σ = 17473873920. Its totient is φ = 2293443936.

The previous prime is 6934940647. The next prime is 6934940671. The reversal of 6934940664 is 4660494396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134574 + ... + 1140669.

It is an arithmetic number, because the mean of its divisors is an integer number (546058560).

Almost surely, 2^6934940664 is an apocalyptic number.

It is an amenable number.

6934940664 is an abundant number, since it is smaller than the sum of its proper divisors (10538933256).

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

6934940664 is a wasteful number, since it uses less digits than its factorization.

6934940664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275379 (or 2275375 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 51.

The square root of 6934940664 is about 83276.2911277874. The cubic root of 6934940664 is about 1906.9863445655.

The spelling of 6934940664 in words is "six billion, nine hundred thirty-four million, nine hundred forty thousand, six hundred sixty-four".