712979273161 has 9 divisors (see below), whose sum is σ = 715420243629. Its totient is φ = 710546611500.

The previous prime is 712979273137. The next prime is 712979273177. The reversal of 712979273161 is 161372979217.

It is a happy number.

The square root of 712979273161 is 844381.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 712979273161 - 2¹³ = 712979264969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712979273761) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 279488836 + ... + 279491386.

It is an arithmetic number, because the mean of its divisors is an integer number (79491138181).

Almost surely, 2^712979273161 is an apocalyptic number.

712979273161 is the 844381-st square number.

712979273161 is the 422191-st centered octagonal number.

It is an amenable number.

712979273161 is a deficient number, since it is larger than the sum of its proper divisors (2440970468).

712979273161 is an frugal number, since it uses more digits than its factorization.

712979273161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5764 (or 2882 counting only the distinct ones).

The product of its digits is 2000376, while the sum is 55.

The spelling of 712979273161 in words is "seven hundred twelve billion, nine hundred seventy-nine million, two hundred seventy-three thousand, one hundred sixty-one".