3128239739496 has 64 divisors (see below), whose sum is σ = 7873574284800. Its totient is φ = 1035693011648.

The previous prime is 3128239739479. The next prime is 3128239739503. The reversal of 3128239739496 is 6949379328213.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4838095 + ... + 5446433.

It is an arithmetic number, because the mean of its divisors is an integer number (123024598200).

Almost surely, 2^{3128239739496} is an apocalyptic number.

It is an amenable number.

3128239739496 is an abundant number, since it is smaller than the sum of its proper divisors (4745334545304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3128239739496 is a wasteful number, since it uses less digits than its factorization.

3128239739496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609798 (or 609794 counting only the distinct ones).

The product of its digits is 105815808, while the sum is 66.

The spelling of 3128239739496 in words is "three trillion, one hundred twenty-eight billion, two hundred thirty-nine million, seven hundred thirty-nine thousand, four hundred ninety-six".