64135315717 has 8 divisors (see below), whose sum is σ = 69967697472. Its totient is φ = 58303250400.

The previous prime is 64135315679. The next prime is 64135315721. The reversal of 64135315717 is 71751353146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64135315717 - 2²⁷ = 64001097989 is a prime.

It is a super-2 number, since 2×64135315717² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64135315757) 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 7 ways as a sum of consecutive naturals, for example, 592968 + ... + 692734.

It is an arithmetic number, because the mean of its divisors is an integer number (8745962184).

Almost surely, 2^64135315717 is an apocalyptic number.

It is an amenable number.

64135315717 is a deficient number, since it is larger than the sum of its proper divisors (5832381755).

64135315717 is a wasteful number, since it uses less digits than its factorization.

64135315717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158219.

The product of its digits is 264600, while the sum is 43.

The spelling of 64135315717 in words is "sixty-four billion, one hundred thirty-five million, three hundred fifteen thousand, seven hundred seventeen".