3490920057656 has 32 divisors (see below), whose sum is σ = 6638146058880. Its totient is φ = 1720751340000.

The previous prime is 3490920057637. The next prime is 3490920057707. The reversal of 3490920057656 is 6567500290943.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7878935 + ... + 8310201.

It is an arithmetic number, because the mean of its divisors is an integer number (207442064340).

Almost surely, 2^{3490920057656} is an apocalyptic number.

It is an amenable number.

3490920057656 is a deficient number, since it is larger than the sum of its proper divisors (3147226001224).

3490920057656 is a wasteful number, since it uses less digits than its factorization.

3490920057656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445595 (or 445591 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 56.

The spelling of 3490920057656 in words is "three trillion, four hundred ninety billion, nine hundred twenty million, fifty-seven thousand, six hundred fifty-six".