5684639913 has 32 divisors (see below), whose sum is σ = 8464538880. Its totient is φ = 3770542080.

The previous prime is 5684639869. The next prime is 5684639923. The reversal of 5684639913 is 3199364865.

5684639913 is a `hidden beast` number, since 568 + 4 + 63 + 9 + 9 + 13 = 666.

It is not a de Polignac number, because 5684639913 - 2⁸ = 5684639657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5684639913.

It is not an unprimeable number, because it can be changed into a prime (5684639923) 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, 8705095 + ... + 8705747.

It is an arithmetic number, because the mean of its divisors is an integer number (264516840).

Almost surely, 2^5684639913 is an apocalyptic number.

It is an amenable number.

5684639913 is a deficient number, since it is larger than the sum of its proper divisors (2779898967).

5684639913 is a wasteful number, since it uses less digits than its factorization.

5684639913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806 (or 1800 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 5684639913 is about 75396.5510683347. The cubic root of 5684639913 is about 1784.7099846601.

The spelling of 5684639913 in words is "five billion, six hundred eighty-four million, six hundred thirty-nine thousand, nine hundred thirteen".