712693979 has 2 divisors, whose sum is σ = 712693980. Its totient is φ = 712693978.

The previous prime is 712693909. The next prime is 712693987. The reversal of 712693979 is 979396217.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 712693979 - 2¹² = 712689883 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 712693979.

It is not a weakly prime, because it can be changed into another prime (712693909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356346989 + 356346990.

It is an arithmetic number, because the mean of its divisors is an integer number (356346990).

Almost surely, 2^712693979 is an apocalyptic number.

712693979 is a deficient number, since it is larger than the sum of its proper divisors (1).

712693979 is an equidigital number, since it uses as much as digits as its factorization.

712693979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1285956, while the sum is 53.

The square root of 712693979 is about 26696.3289423846. The cubic root of 712693979 is about 893.2390409530.

The spelling of 712693979 in words is "seven hundred twelve million, six hundred ninety-three thousand, nine hundred seventy-nine".