712945693 has 2 divisors, whose sum is σ = 712945694. Its totient is φ = 712945692.

The previous prime is 712945669. The next prime is 712945699. The reversal of 712945693 is 396549217.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 708730884 + 4214809 = 26622^2 + 2053^2 .

It is an emirp because it is prime and its reverse (396549217) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-712945693 is a prime.

It is a super-2 number, since 2×712945693² = 1016583122334500498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712945699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356472846 + 356472847.

It is an arithmetic number, because the mean of its divisors is an integer number (356472847).

Almost surely, 2^712945693 is an apocalyptic number.

It is an amenable number.

712945693 is a deficient number, since it is larger than the sum of its proper divisors (1).

712945693 is an equidigital number, since it uses as much as digits as its factorization.

712945693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 46.

The square root of 712945693 is about 26701.0429197063. The cubic root of 712945693 is about 893.3441886103.

The spelling of 712945693 in words is "seven hundred twelve million, nine hundred forty-five thousand, six hundred ninety-three".