712648833866 has 4 divisors (see below), whose sum is σ = 1068973250802. Its totient is φ = 356324416932.

The previous prime is 712648833817. The next prime is 712648833899. The reversal of 712648833866 is 668338846217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 668338846217 = 7 ⋅95476978031.

It can be written as a sum of positive squares in only one way, i.e., 365281228225 + 347367605641 = 604385^2 + 589379^2 .

It is a junction number, because it is equal to n+sod(n) for n = 712648833799 and 712648833808.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178162208465 + ... + 178162208468.

Almost surely, 2^712648833866 is an apocalyptic number.

712648833866 is a deficient number, since it is larger than the sum of its proper divisors (356324416936).

712648833866 is a wasteful number, since it uses less digits than its factorization.

712648833866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356324416935.

The product of its digits is 55738368, while the sum is 62.

The spelling of 712648833866 in words is "seven hundred twelve billion, six hundred forty-eight million, eight hundred thirty-three thousand, eight hundred sixty-six".