1364717957 has 2 divisors, whose sum is σ = 1364717958. Its totient is φ = 1364717956.

The previous prime is 1364717933. The next prime is 1364717987. The reversal of 1364717957 is 7597174631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 844832356 + 519885601 = 29066^2 + 22801^2 .

It is a cyclic number.

It is not a de Polignac number, because 1364717957 - 2⁸ = 1364717701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1364717987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682358978 + 682358979.

It is an arithmetic number, because the mean of its divisors is an integer number (682358979).

Almost surely, 2^1364717957 is an apocalyptic number.

It is an amenable number.

1364717957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1364717957 is an equidigital number, since it uses as much as digits as its factorization.

1364717957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1111320, while the sum is 50.

The square root of 1364717957 is about 36942.0892343679. The cubic root of 1364717957 is about 1109.2113427742.

The spelling of 1364717957 in words is "one billion, three hundred sixty-four million, seven hundred seventeen thousand, nine hundred fifty-seven".