712654456217 has 4 divisors (see below), whose sum is σ = 777441224976. Its totient is φ = 647867687460.

The previous prime is 712654456207. The next prime is 712654456219.

It is a happy number.

712654456217 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 712654456217 - 2¹⁰ = 712654455193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712654456219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32393384363 + ... + 32393384384.

It is an arithmetic number, because the mean of its divisors is an integer number (194360306244).

Almost surely, 2^712654456217 is an apocalyptic number.

It is an amenable number.

712654456217 is a deficient number, since it is larger than the sum of its proper divisors (64786768759).

712654456217 is a wasteful number, since it uses less digits than its factorization.

712654456217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64786768758.

The product of its digits is 2822400, while the sum is 50.

The spelling of 712654456217 in words is "seven hundred twelve billion, six hundred fifty-four million, four hundred fifty-six thousand, two hundred seventeen".