712815476951 has 4 divisors (see below), whose sum is σ = 712819853592. Its totient is φ = 712811100312.

The previous prime is 712815476917. The next prime is 712815476953. The reversal of 712815476951 is 159674518217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 159674518217 = 127 ⋅1257279671.

It is a cyclic number.

It is not a de Polignac number, because 712815476951 - 2³⁰ = 711741735127 is a prime.

It is a super-2 number, since 2×712815476951² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712815476953) 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, 1934180 + ... + 2273033.

It is an arithmetic number, because the mean of its divisors is an integer number (178204963398).

Almost surely, 2^712815476951 is an apocalyptic number.

712815476951 is a deficient number, since it is larger than the sum of its proper divisors (4376641).

712815476951 is a wasteful number, since it uses less digits than its factorization.

712815476951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376640.

The product of its digits is 4233600, while the sum is 56.

The spelling of 712815476951 in words is "seven hundred twelve billion, eight hundred fifteen million, four hundred seventy-six thousand, nine hundred fifty-one".