326685379645 has 32 divisors (see below), whose sum is σ = 406766460672. Its totient is φ = 251667482112.

The previous prime is 326685379597. The next prime is 326685379693. The reversal of 326685379645 is 546973586623.

It is an interprime number because it is at equal distance from previous prime (326685379597) and next prime (326685379693).

It is a cyclic number.

It is not a de Polignac number, because 326685379645 - 2³⁵ = 292325641277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41021434 + ... + 41029396.

It is an arithmetic number, because the mean of its divisors is an integer number (12711451896).

Almost surely, 2^326685379645 is an apocalyptic number.

It is an amenable number.

326685379645 is a deficient number, since it is larger than the sum of its proper divisors (80081081027).

326685379645 is a wasteful number, since it uses less digits than its factorization.

326685379645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10261.

The product of its digits is 195955200, while the sum is 64.

The spelling of 326685379645 in words is "three hundred twenty-six billion, six hundred eighty-five million, three hundred seventy-nine thousand, six hundred forty-five".