328173420839 has 4 divisors (see below), whose sum is σ = 358007368200. Its totient is φ = 298339473480.

The previous prime is 328173420821. The next prime is 328173420859. The reversal of 328173420839 is 938024371823.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 328173420839 - 2²⁰ = 328172372263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328173420859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14916973664 + ... + 14916973685.

It is an arithmetic number, because the mean of its divisors is an integer number (89501842050).

Almost surely, 2^328173420839 is an apocalyptic number.

328173420839 is a deficient number, since it is larger than the sum of its proper divisors (29833947361).

328173420839 is a wasteful number, since it uses less digits than its factorization.

328173420839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29833947360.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 328173420839 in words is "three hundred twenty-eight billion, one hundred seventy-three million, four hundred twenty thousand, eight hundred thirty-nine".