3656212543264 has 48 divisors (see below), whose sum is σ = 7220542392000. Its totient is φ = 1822430294784.

The previous prime is 3656212543253. The next prime is 3656212543267. The reversal of 3656212543264 is 4623452126563.

It is not an unprimeable number, because it can be changed into a prime (3656212543267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18660334 + ... + 18855250.

It is an arithmetic number, because the mean of its divisors is an integer number (150427966500).

Almost surely, 2^{3656212543264} is an apocalyptic number.

It is an amenable number.

3656212543264 is a deficient number, since it is larger than the sum of its proper divisors (3564329848736).

3656212543264 is a wasteful number, since it uses less digits than its factorization.

3656212543264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196745 (or 196737 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 49.

The spelling of 3656212543264 in words is "three trillion, six hundred fifty-six billion, two hundred twelve million, five hundred forty-three thousand, two hundred sixty-four".