326613872845 has 16 divisors (see below), whose sum is σ = 422154230400. Its totient is φ = 241152577344.

The previous prime is 326613872771. The next prime is 326613872891. The reversal of 326613872845 is 548278316623.

It is a cyclic number.

It is not a de Polignac number, because 326613872845 - 2¹⁹ = 326613348557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2359 + ... + 808228.

It is an arithmetic number, because the mean of its divisors is an integer number (26384639400).

Almost surely, 2^326613872845 is an apocalyptic number.

It is an amenable number.

326613872845 is a deficient number, since it is larger than the sum of its proper divisors (95540357555).

326613872845 is a wasteful number, since it uses less digits than its factorization.

326613872845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816804.

The product of its digits is 11612160, while the sum is 55.

The spelling of 326613872845 in words is "three hundred twenty-six billion, six hundred thirteen million, eight hundred seventy-two thousand, eight hundred forty-five".