328428527939 has 4 divisors (see below), whose sum is σ = 328759940160. Its totient is φ = 328097115720.

The previous prime is 328428527891. The next prime is 328428527951. The reversal of 328428527939 is 939725824823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 939725824823 = 29 ⋅32404338787.

It is a cyclic number.

It is not a de Polignac number, because 328428527939 - 2³² = 324133560643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328428520939) 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, 165704624 + ... + 165706605.

It is an arithmetic number, because the mean of its divisors is an integer number (82189985040).

Almost surely, 2^328428527939 is an apocalyptic number.

328428527939 is a deficient number, since it is larger than the sum of its proper divisors (331412221).

328428527939 is an equidigital number, since it uses as much as digits as its factorization.

328428527939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331412220.

The product of its digits is 52254720, while the sum is 62.

The spelling of 328428527939 in words is "three hundred twenty-eight billion, four hundred twenty-eight million, five hundred twenty-seven thousand, nine hundred thirty-nine".