64809596033 has 24 divisors (see below), whose sum is σ = 81282696768. Its totient is φ = 51219405216.

The previous prime is 64809596003. The next prime is 64809596057. The reversal of 64809596033 is 33069590846.

It is not a de Polignac number, because 64809596033 - 2¹⁴ = 64809579649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64809596003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 504860 + ... + 620082.

It is an arithmetic number, because the mean of its divisors is an integer number (3386779032).

Almost surely, 2^64809596033 is an apocalyptic number.

It is an amenable number.

64809596033 is a deficient number, since it is larger than the sum of its proper divisors (16473100735).

64809596033 is a wasteful number, since it uses less digits than its factorization.

64809596033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116133 (or 116126 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 53.

The spelling of 64809596033 in words is "sixty-four billion, eight hundred nine million, five hundred ninety-six thousand, thirty-three".