3549656058564 has 72 divisors (see below), whose sum is σ = 10404501534784. Its totient is φ = 921988584000.

The previous prime is 3549656058541. The next prime is 3549656058589. The reversal of 3549656058564 is 4658506569453.

It is a super-2 number, since 2×3549656058564² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 3549656058495 and 3549656058504.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174608887 + ... + 174629214.

Almost surely, 2^{3549656058564} is an apocalyptic number.

It is an amenable number.

3549656058564 is an abundant number, since it is smaller than the sum of its proper divisors (6854845476220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3549656058564 is a wasteful number, since it uses less digits than its factorization.

3549656058564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349238137 (or 349238124 counting only the distinct ones).

The product of its (nonzero) digits is 466560000, while the sum is 66.

The spelling of 3549656058564 in words is "three trillion, five hundred forty-nine billion, six hundred fifty-six million, fifty-eight thousand, five hundred sixty-four".