6930813664 has 12 divisors (see below), whose sum is σ = 13645039464. Its totient is φ = 3465406816.

The previous prime is 6930813661. The next prime is 6930813667. The reversal of 6930813664 is 4663180396.

It is an interprime number because it is at equal distance from previous prime (6930813661) and next prime (6930813667).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6930813661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108293932 + ... + 108293995.

It is an arithmetic number, because the mean of its divisors is an integer number (1137086622).

Almost surely, 2^6930813664 is an apocalyptic number.

It is an amenable number.

6930813664 is a deficient number, since it is larger than the sum of its proper divisors (6714225800).

6930813664 is a wasteful number, since it uses less digits than its factorization.

6930813664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216587937 (or 216587929 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 6930813664 is about 83251.5084788258. The cubic root of 6930813664 is about 1906.6079854360.

The spelling of 6930813664 in words is "six billion, nine hundred thirty million, eight hundred thirteen thousand, six hundred sixty-four".