326233125621 has 12 divisors (see below), whose sum is σ = 507473751148. Its totient is φ = 200758846464.

The previous prime is 326233125613. The next prime is 326233125661. The reversal of 326233125621 is 126521332623.

326233125621 is a `hidden beast` number, since 3 + 2 + 6 + 2 + 3 + 3 + 1 + 25 + 621 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 182917880721 + 143315244900 = 427689^2 + 378570^2 .

It is not a de Polignac number, because 326233125621 - 2³ = 326233125613 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326233125661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1394158540 + ... + 1394158773.

Almost surely, 2^326233125621 is an apocalyptic number.

It is an amenable number.

326233125621 is a deficient number, since it is larger than the sum of its proper divisors (181240625527).

326233125621 is a wasteful number, since it uses less digits than its factorization.

326233125621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788317332 (or 2788317329 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The spelling of 326233125621 in words is "three hundred twenty-six billion, two hundred thirty-three million, one hundred twenty-five thousand, six hundred twenty-one".