5665568913 has 12 divisors (see below), whose sum is σ = 8185199568. Its totient is φ = 3776307480.

The previous prime is 5665568899. The next prime is 5665568921. The reversal of 5665568913 is 3198655665.

It is a happy number.

5665568913 is a `hidden beast` number, since 5 + 6 + 6 + 556 + 89 + 1 + 3 = 666.

It is not a de Polignac number, because 5665568913 - 2¹⁸ = 5665306769 is a prime.

It is a super-2 number, since 2×5665568913² = 64197342215904003138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5665568913.

It is not an unprimeable number, because it can be changed into a prime (5665568983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10743 + ... + 106988.

It is an arithmetic number, because the mean of its divisors is an integer number (682099964).

Almost surely, 2^5665568913 is an apocalyptic number.

It is an amenable number.

5665568913 is a deficient number, since it is larger than the sum of its proper divisors (2519630655).

5665568913 is a wasteful number, since it uses less digits than its factorization.

5665568913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123084 (or 123081 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 54.

The square root of 5665568913 is about 75269.9735153401. The cubic root of 5665568913 is about 1782.7119491569.

The spelling of 5665568913 in words is "five billion, six hundred sixty-five million, five hundred sixty-eight thousand, nine hundred thirteen".