64002527961 has 16 divisors (see below), whose sum is σ = 91453674624. Its totient is φ = 39710145024.

The previous prime is 64002527933. The next prime is 64002527977. The reversal of 64002527961 is 16972520046.

It is not a de Polignac number, because 64002527961 - 2⁵ = 64002527929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64002527161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12532216 + ... + 12537321.

It is an arithmetic number, because the mean of its divisors is an integer number (5715854664).

Almost surely, 2^64002527961 is an apocalyptic number.

It is an amenable number.

64002527961 is a deficient number, since it is larger than the sum of its proper divisors (27451146663).

64002527961 is a wasteful number, since it uses less digits than its factorization.

64002527961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25069600.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 64002527961 in words is "sixty-four billion, two million, five hundred twenty-seven thousand, nine hundred sixty-one".