7628693913 has 32 divisors (see below), whose sum is σ = 11633932800. Its totient is φ = 4938306048.

The previous prime is 7628693909. The next prime is 7628693957. The reversal of 7628693913 is 3193968267.

7628693913 is a `hidden beast` number, since 7 + 628 + 6 + 9 + 3 + 9 + 1 + 3 = 666.

It is not a de Polignac number, because 7628693913 - 2² = 7628693909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7628693913.

It is not an unprimeable number, because it can be changed into a prime (7628693113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111328 + ... + 166286.

It is an arithmetic number, because the mean of its divisors is an integer number (363560400).

Almost surely, 2^7628693913 is an apocalyptic number.

It is an amenable number.

7628693913 is a deficient number, since it is larger than the sum of its proper divisors (4005238887).

7628693913 is a wasteful number, since it uses less digits than its factorization.

7628693913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55118 (or 55112 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 7628693913 is about 87342.3947061220. The cubic root of 7628693913 is about 1968.5663780127.

The spelling of 7628693913 in words is "seven billion, six hundred twenty-eight million, six hundred ninety-three thousand, nine hundred thirteen".