712249817894 has 16 divisors (see below), whose sum is σ = 1073561408496. Its totient is φ = 354396403200.

The previous prime is 712249817813. The next prime is 712249817897. The reversal of 712249817894 is 498718942217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712249817897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3763454 + ... + 3948174.

It is an arithmetic number, because the mean of its divisors is an integer number (67097588031).

Almost surely, 2^712249817894 is an apocalyptic number.

712249817894 is a deficient number, since it is larger than the sum of its proper divisors (361311590602).

712249817894 is a wasteful number, since it uses less digits than its factorization.

712249817894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194071.

The product of its digits is 16257024, while the sum is 62.

The spelling of 712249817894 in words is "seven hundred twelve billion, two hundred forty-nine million, eight hundred seventeen thousand, eight hundred ninety-four".