712447893839644 has 12 divisors (see below), whose sum is σ = 1254249585563184. Its totient is φ = 354090869393024.

The previous prime is 712447893839623. The next prime is 712447893839657. The reversal of 712447893839644 is 446938398744217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533269380949 + ... + 533269382284.

It is an arithmetic number, because the mean of its divisors is an integer number (104520798796932).

Almost surely, 2^{712447893839644} is an apocalyptic number.

It is an amenable number.

712447893839644 is a deficient number, since it is larger than the sum of its proper divisors (541801691723540).

712447893839644 is a wasteful number, since it uses less digits than its factorization.

712447893839644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066538763404 (or 1066538763402 counting only the distinct ones).

The product of its digits is 7023034368, while the sum is 79.

The spelling of 712447893839644 in words is "seven hundred twelve trillion, four hundred forty-seven billion, eight hundred ninety-three million, eight hundred thirty-nine thousand, six hundred forty-four".