64706432714317 has 12 divisors (see below), whose sum is σ = 70953900555136. Its totient is φ = 58935650281920.

The previous prime is 64706432714309. The next prime is 64706432714323. The reversal of 64706432714317 is 71341723460746.

It is a happy number.

It is not a de Polignac number, because 64706432714317 - 2³ = 64706432714309 is a prime.

It is a super-2 number, since 2×64706432714317² (a number of 28 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 (64706432714387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3611244123 + ... + 3611262040.

Almost surely, 2^{64706432714317} is an apocalyptic number.

It is an amenable number.

64706432714317 is a deficient number, since it is larger than the sum of its proper divisors (6247467840819).

64706432714317 is a wasteful number, since it uses less digits than its factorization.

64706432714317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7222506228 (or 7222506211 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 55.

The spelling of 64706432714317 in words is "sixty-four trillion, seven hundred six billion, four hundred thirty-two million, seven hundred fourteen thousand, three hundred seventeen".