65039496892 has 24 divisors (see below), whose sum is σ = 115492698720. Its totient is φ = 32042142720.

The previous prime is 65039496857. The next prime is 65039496919. The reversal of 65039496892 is 29869493056.

It is a self number, because there is not a number n which added to its sum of digits gives 65039496892.

It is a congruent number.

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, 401484 + ... + 539692.

It is an arithmetic number, because the mean of its divisors is an integer number (4812195780).

Almost surely, 2^65039496892 is an apocalyptic number.

It is an amenable number.

65039496892 is a deficient number, since it is larger than the sum of its proper divisors (50453201828).

65039496892 is a wasteful number, since it uses less digits than its factorization.

65039496892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139941 (or 139939 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 61.

The spelling of 65039496892 in words is "sixty-five billion, thirty-nine million, four hundred ninety-six thousand, eight hundred ninety-two".