64295711817 has 16 divisors (see below), whose sum is σ = 88054344192. Its totient is φ = 41700700800.

The previous prime is 64295711803. The next prime is 64295711861. The reversal of 64295711817 is 71811759246.

64295711817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-64295711817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64295711817.

It is not an unprimeable number, because it can be changed into a prime (64295711317) 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, 1177317 + ... + 1230717.

It is an arithmetic number, because the mean of its divisors is an integer number (5503396512).

Almost surely, 2^64295711817 is an apocalyptic number.

It is an amenable number.

64295711817 is a deficient number, since it is larger than the sum of its proper divisors (23758632375).

64295711817 is a wasteful number, since it uses less digits than its factorization.

64295711817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64288.

The product of its digits is 846720, while the sum is 51.

The spelling of 64295711817 in words is "sixty-four billion, two hundred ninety-five million, seven hundred eleven thousand, eight hundred seventeen".