64946926075 has 12 divisors (see below), whose sum is σ = 83311230240. Its totient is φ = 50165900960.

The previous prime is 64946926013. The next prime is 64946926141. The reversal of 64946926075 is 57062964946.

It is not a de Polignac number, because 64946926075 - 2²³ = 64938537467 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 11 ways as a sum of consecutive naturals, for example, 44790259 + ... + 44791708.

It is an arithmetic number, because the mean of its divisors is an integer number (6942602520).

Almost surely, 2^64946926075 is an apocalyptic number.

64946926075 is a deficient number, since it is larger than the sum of its proper divisors (18364304165).

64946926075 is a wasteful number, since it uses less digits than its factorization.

64946926075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89582006 (or 89582001 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 58.

The spelling of 64946926075 in words is "sixty-four billion, nine hundred forty-six million, nine hundred twenty-six thousand, seventy-five".