326426401031533 has 32 divisors (see below), whose sum is σ = 376609107935232. Its totient is φ = 280170481219200.

The previous prime is 326426401031477. The next prime is 326426401031617. The reversal of 326426401031533 is 335130104624623.

It is a de Polignac number, because none of the positive numbers 2^k-326426401031533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 326426401031533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326426401032533) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 27519141 + ... + 37552042.

It is an arithmetic number, because the mean of its divisors is an integer number (11769034622976).

Almost surely, 2^{326426401031533} is an apocalyptic number.

It is an amenable number.

326426401031533 is a deficient number, since it is larger than the sum of its proper divisors (50182706903699).

326426401031533 is a wasteful number, since it uses less digits than its factorization.

326426401031533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65071585.

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 326426401031533 in words is "three hundred twenty-six trillion, four hundred twenty-six billion, four hundred one million, thirty-one thousand, five hundred thirty-three".