5651645013 has 12 divisors (see below), whose sum is σ = 9329699808. Its totient is φ = 3229511400.

The previous prime is 5651645011. The next prime is 5651645017. The reversal of 5651645013 is 3105461565.

5651645013 is a `hidden beast` number, since 5 + 6 + 5 + 1 + 645 + 0 + 1 + 3 = 666.

It is not a de Polignac number, because 5651645013 - 2¹ = 5651645011 is a prime.

It is a super-3 number, since 3×5651645013³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5651645011) 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, 44854263 + ... + 44854388.

It is an arithmetic number, because the mean of its divisors is an integer number (777474984).

Almost surely, 2^5651645013 is an apocalyptic number.

It is an amenable number.

5651645013 is a deficient number, since it is larger than the sum of its proper divisors (3678054795).

5651645013 is a wasteful number, since it uses less digits than its factorization.

5651645013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89708664 (or 89708661 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 5651645013 is about 75177.4235592043. The cubic root of 5651645013 is about 1781.2503327497.

The spelling of 5651645013 in words is "five billion, six hundred fifty-one million, six hundred forty-five thousand, thirteen".