64712271296 has 14 divisors (see below), whose sum is σ = 128413413480. Its totient is φ = 32356135616.

The previous prime is 64712271287. The next prime is 64712271317. The reversal of 64712271296 is 69217221746.

It is a self number, because there is not a number n which added to its sum of digits gives 64712271296.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505564556 + ... + 505564683.

Almost surely, 2^64712271296 is an apocalyptic number.

It is an amenable number.

64712271296 is a deficient number, since it is larger than the sum of its proper divisors (63701142184).

64712271296 is a wasteful number, since it uses less digits than its factorization.

64712271296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011129251 (or 1011129241 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The spelling of 64712271296 in words is "sixty-four billion, seven hundred twelve million, two hundred seventy-one thousand, two hundred ninety-six".