65115049964 has 6 divisors (see below), whose sum is σ = 113951337444. Its totient is φ = 32557524980.

The previous prime is 65115049963. The next prime is 65115050041. The reversal of 65115049964 is 46994051156.

It is not an unprimeable number, because it can be changed into a prime (65115049963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8139381242 + ... + 8139381249.

It is an arithmetic number, because the mean of its divisors is an integer number (18991889574).

Almost surely, 2^65115049964 is an apocalyptic number.

It is an amenable number.

65115049964 is a deficient number, since it is larger than the sum of its proper divisors (48836287480).

65115049964 is a wasteful number, since it uses less digits than its factorization.

65115049964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16278762495 (or 16278762493 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 65115049964 in words is "sixty-five billion, one hundred fifteen million, forty-nine thousand, nine hundred sixty-four".