64934039995 has 16 divisors (see below), whose sum is σ = 85959675360. Its totient is φ = 46694137600.

The previous prime is 64934039977. The next prime is 64934040001. The reversal of 64934039995 is 59993043946.

It is not a de Polignac number, because 64934039995 - 2⁹ = 64934039483 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6627796 + ... + 6637585.

It is an arithmetic number, because the mean of its divisors is an integer number (5372479710).

Almost surely, 2^64934039995 is an apocalyptic number.

64934039995 is a deficient number, since it is larger than the sum of its proper divisors (21025635365).

64934039995 is a wasteful number, since it uses less digits than its factorization.

64934039995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13265486.

The product of its (nonzero) digits is 28343520, while the sum is 61.

The spelling of 64934039995 in words is "sixty-four billion, nine hundred thirty-four million, thirty-nine thousand, nine hundred ninety-five".