65313149928 has 32 divisors (see below), whose sum is σ = 175843096800. Its totient is φ = 20096353728.

The previous prime is 65313149903. The next prime is 65313149939. The reversal of 65313149928 is 82994131356.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104668198 + ... + 104668821.

It is an arithmetic number, because the mean of its divisors is an integer number (5495096775).

Almost surely, 2^65313149928 is an apocalyptic number.

It is an amenable number.

65313149928 is an abundant number, since it is smaller than the sum of its proper divisors (110529946872).

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

65313149928 is a wasteful number, since it uses less digits than its factorization.

65313149928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209337041 (or 209337037 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The spelling of 65313149928 in words is "sixty-five billion, three hundred thirteen million, one hundred forty-nine thousand, nine hundred twenty-eight".