326317872133 has 16 divisors (see below), whose sum is σ = 393311293056. Its totient is φ = 267063216640.

The previous prime is 326317872109. The next prime is 326317872193. The reversal of 326317872133 is 331278713623.

It is a de Polignac number, because none of the positive numbers 2^k-326317872133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326317872193) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 37930816 + ... + 37939417.

It is an arithmetic number, because the mean of its divisors is an integer number (24581955816).

Almost surely, 2^326317872133 is an apocalyptic number.

It is an amenable number.

326317872133 is a deficient number, since it is larger than the sum of its proper divisors (66993420923).

326317872133 is a wasteful number, since it uses less digits than its factorization.

326317872133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75870284.

The product of its digits is 762048, while the sum is 46.

The spelling of 326317872133 in words is "three hundred twenty-six billion, three hundred seventeen million, eight hundred seventy-two thousand, one hundred thirty-three".