712495372681 has 2 divisors, whose sum is σ = 712495372682. Its totient is φ = 712495372680.

The previous prime is 712495372621. The next prime is 712495372691. The reversal of 712495372681 is 186273594217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 448787447056 + 263707925625 = 669916^2 + 513525^2 .

It is a cyclic number.

It is not a de Polignac number, because 712495372681 - 2¹⁹ = 712494848393 is a prime.

It is a super-2 number, since 2×712495372681² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (712495372621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356247686340 + 356247686341.

It is an arithmetic number, because the mean of its divisors is an integer number (356247686341).

Almost surely, 2^712495372681 is an apocalyptic number.

It is an amenable number.

712495372681 is a deficient number, since it is larger than the sum of its proper divisors (1).

712495372681 is an equidigital number, since it uses as much as digits as its factorization.

712495372681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 55.

The spelling of 712495372681 in words is "seven hundred twelve billion, four hundred ninety-five million, three hundred seventy-two thousand, six hundred eighty-one".