64652726017 has 32 divisors (see below), whose sum is σ = 73311842304. Its totient is φ = 56484993600.

The previous prime is 64652725957. The next prime is 64652726029. The reversal of 64652726017 is 71062725646.

It is a cyclic number.

It is not a de Polignac number, because 64652726017 - 2²³ = 64644337409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64652726057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40483063 + ... + 40484659.

It is an arithmetic number, because the mean of its divisors is an integer number (2290995072).

Almost surely, 2^64652726017 is an apocalyptic number.

It is an amenable number.

64652726017 is a deficient number, since it is larger than the sum of its proper divisors (8659116287).

64652726017 is a wasteful number, since it uses less digits than its factorization.

64652726017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 64652726017 in words is "sixty-four billion, six hundred fifty-two million, seven hundred twenty-six thousand, seventeen".