712423075817 has 4 divisors (see below), whose sum is σ = 712476506196. Its totient is φ = 712369645440.

The previous prime is 712423075813. The next prime is 712423075853. The reversal of 712423075817 is 718570324217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 718570324217 = 17 ⋅42268842601.

It can be written as a sum of positive squares in 2 ways, for example, as 288128474176 + 424294601641 = 536776^2 + 651379^2 .

It is a cyclic number.

It is not a de Polignac number, because 712423075817 - 2² = 712423075813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712423075813) 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, 26695184 + ... + 26721857.

It is an arithmetic number, because the mean of its divisors is an integer number (178119126549).

Almost surely, 2^712423075817 is an apocalyptic number.

It is an amenable number.

712423075817 is a deficient number, since it is larger than the sum of its proper divisors (53430379).

712423075817 is a wasteful number, since it uses less digits than its factorization.

712423075817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53430378.

The product of its (nonzero) digits is 658560, while the sum is 47.

The spelling of 712423075817 in words is "seven hundred twelve billion, four hundred twenty-three million, seventy-five thousand, eight hundred seventeen".