326428228339 has 4 divisors (see below), whose sum is σ = 326430554920. Its totient is φ = 326425901760.

The previous prime is 326428228337. The next prime is 326428228417. The reversal of 326428228339 is 933822824623.

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 326428228339 - 2¹ = 326428228337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326428228337) 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, 938334 + ... + 1238275.

It is an arithmetic number, because the mean of its divisors is an integer number (81607638730).

Almost surely, 2^326428228339 is an apocalyptic number.

326428228339 is a deficient number, since it is larger than the sum of its proper divisors (2326581).

326428228339 is a wasteful number, since it uses less digits than its factorization.

326428228339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326580.

The product of its digits is 5971968, while the sum is 52.

The spelling of 326428228339 in words is "three hundred twenty-six billion, four hundred twenty-eight million, two hundred twenty-eight thousand, three hundred thirty-nine".