536561642636 has 12 divisors (see below), whose sum is σ = 939330793800. Its totient is φ = 268181415840.

The previous prime is 536561642623. The next prime is 536561642641. The reversal of 536561642636 is 636246165635.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24839225 + ... + 24860816.

It is an arithmetic number, because the mean of its divisors is an integer number (78277566150).

Almost surely, 2^536561642636 is an apocalyptic number.

It is an amenable number.

536561642636 is a deficient number, since it is larger than the sum of its proper divisors (402769151164).

536561642636 is a wasteful number, since it uses less digits than its factorization.

536561642636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49702744 (or 49702742 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 53.

The spelling of 536561642636 in words is "five hundred thirty-six billion, five hundred sixty-one million, six hundred forty-two thousand, six hundred thirty-six".