3539817656 has 96 divisors (see below), whose sum is σ = 7310898000. Its totient is φ = 1605365760.

The previous prime is 3539817649. The next prime is 3539817703. The reversal of 3539817656 is 6567189353.

It is a junction number, because it is equal to n+sod(n) for n = 3539817598 and 3539817607.

It is a congruent number.

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, 10142570 + ... + 10142918.

Almost surely, 2^3539817656 is an apocalyptic number.

It is an amenable number.

3539817656 is an abundant number, since it is smaller than the sum of its proper divisors (3771080344).

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

3539817656 is a wasteful number, since it uses less digits than its factorization.

3539817656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 516 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 53.

The square root of 3539817656 is about 59496.3667462140. The cubic root of 3539817656 is about 1524.0304012692.

The spelling of 3539817656 in words is "three billion, five hundred thirty-nine million, eight hundred seventeen thousand, six hundred fifty-six".