326310818634 has 12 divisors (see below), whose sum is σ = 707006773746. Its totient is φ = 108770272872.

The previous prime is 326310818623. The next prime is 326310818651. The reversal of 326310818634 is 436818013623.

326310818634 is a `hidden beast` number, since 3 + 2 + 6 + 3 + 1 + 0 + 8 + 1 + 8 + 634 = 666.

It can be written as a sum of positive squares in only one way, i.e., 247857609609 + 78453209025 = 497853^2 + 280095^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 326310818634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9064189389 + ... + 9064189424.

Almost surely, 2^326310818634 is an apocalyptic number.

326310818634 is an abundant number, since it is smaller than the sum of its proper divisors (380695955112).

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

326310818634 is a wasteful number, since it uses less digits than its factorization.

326310818634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18128378821 (or 18128378818 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 326310818634 in words is "three hundred twenty-six billion, three hundred ten million, eight hundred eighteen thousand, six hundred thirty-four".