2318768957 has 2 divisors, whose sum is σ = 2318768958. Its totient is φ = 2318768956.

The previous prime is 2318768951. The next prime is 2318768999. The reversal of 2318768957 is 7598678132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1906719556 + 412049401 = 43666^2 + 20299^2 .

It is a cyclic number.

It is not a de Polignac number, because 2318768957 - 2¹⁰ = 2318767933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2318768951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1159384478 + 1159384479.

It is an arithmetic number, because the mean of its divisors is an integer number (1159384479).

Almost surely, 2^2318768957 is an apocalyptic number.

It is an amenable number.

2318768957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2318768957 is an equidigital number, since it uses as much as digits as its factorization.

2318768957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 56.

The square root of 2318768957 is about 48153.5975499235. The cubic root of 2318768957 is about 1323.5869986366.

The spelling of 2318768957 in words is "two billion, three hundred eighteen million, seven hundred sixty-eight thousand, nine hundred fifty-seven".