712676351281 has 4 divisors (see below), whose sum is σ = 727839677952. Its totient is φ = 697513024612.

The previous prime is 712676351273. The next prime is 712676351311. The reversal of 712676351281 is 182153676217.

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, and also an emirpimes, since its reverse is a distinct semiprime: 182153676217 = 218627 ⋅833171.

It is a cyclic number.

It is not a de Polignac number, because 712676351281 - 2³ = 712676351273 is a prime.

It is a super-2 number, since 2×712676351281² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712676151281) 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, 7581663265 + ... + 7581663358.

It is an arithmetic number, because the mean of its divisors is an integer number (181959919488).

Almost surely, 2^712676351281 is an apocalyptic number.

It is an amenable number.

712676351281 is a deficient number, since it is larger than the sum of its proper divisors (15163326671).

712676351281 is a wasteful number, since it uses less digits than its factorization.

712676351281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15163326670.

The product of its digits is 846720, while the sum is 49.

The spelling of 712676351281 in words is "seven hundred twelve billion, six hundred seventy-six million, three hundred fifty-one thousand, two hundred eighty-one".