3221643235596 has 12 divisors (see below), whose sum is σ = 7517167549752. Its totient is φ = 1073881078528.

The previous prime is 3221643235543. The next prime is 3221643235609. The reversal of 3221643235596 is 6955323461223.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3221643235596² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134235134805 + ... + 134235134828.

It is an arithmetic number, because the mean of its divisors is an integer number (626430629146).

Almost surely, 2^{3221643235596} is an apocalyptic number.

It is an amenable number.

3221643235596 is an abundant number, since it is smaller than the sum of its proper divisors (4295524314156).

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

3221643235596 is a wasteful number, since it uses less digits than its factorization.

3221643235596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268470269640 (or 268470269638 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 51.

The spelling of 3221643235596 in words is "three trillion, two hundred twenty-one billion, six hundred forty-three million, two hundred thirty-five thousand, five hundred ninety-six".