65039496856 has 16 divisors (see below), whose sum is σ = 122256239040. Its totient is φ = 32437833120.

The previous prime is 65039496839. The next prime is 65039496857. The reversal of 65039496856 is 65869493056.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 65039496794 and 65039496803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65039496857) 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, 10236040 + ... + 10242391.

It is an arithmetic number, because the mean of its divisors is an integer number (7641014940).

Almost surely, 2^65039496856 is an apocalyptic number.

It is an amenable number.

65039496856 is a deficient number, since it is larger than the sum of its proper divisors (57216742184).

65039496856 is a wasteful number, since it uses less digits than its factorization.

65039496856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20478834 (or 20478830 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 61.

The spelling of 65039496856 in words is "sixty-five billion, thirty-nine million, four hundred ninety-six thousand, eight hundred fifty-six".