64706432714312 has 8 divisors (see below), whose sum is σ = 121324561339350. Its totient is φ = 32353216357152.

The previous prime is 64706432714309. The next prime is 64706432714323. The reversal of 64706432714312 is 21341723460746.

It can be written as a sum of positive squares in only one way, i.e., 55176283349476 + 9530149364836 = 7428074^2 + 3087094^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×64706432714312² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4044152044637 + ... + 4044152044652.

Almost surely, 2^{64706432714312} is an apocalyptic number.

It is an amenable number.

64706432714312 is a deficient number, since it is larger than the sum of its proper divisors (56618128625038).

64706432714312 is a wasteful number, since it uses less digits than its factorization.

64706432714312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8088304089295 (or 8088304089291 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 50.

The spelling of 64706432714312 in words is "sixty-four trillion, seven hundred six billion, four hundred thirty-two million, seven hundred fourteen thousand, three hundred twelve".