3656855644934 has 8 divisors (see below), whose sum is σ = 5539593205008. Its totient is φ = 1810324576600.

The previous prime is 3656855644931. The next prime is 3656855644973. The reversal of 3656855644934 is 4394465586563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3656855644934² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656855644931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9051622682 + ... + 9051623085.

It is an arithmetic number, because the mean of its divisors is an integer number (692449150626).

Almost surely, 2^{3656855644934} is an apocalyptic number.

3656855644934 is a deficient number, since it is larger than the sum of its proper divisors (1882737560074).

3656855644934 is a wasteful number, since it uses less digits than its factorization.

3656855644934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18103245870.

The product of its digits is 1119744000, while the sum is 68.

The spelling of 3656855644934 in words is "three trillion, six hundred fifty-six billion, eight hundred fifty-five million, six hundred forty-four thousand, nine hundred thirty-four".