2318745613 has 2 divisors, whose sum is σ = 2318745614. Its totient is φ = 2318745612.

The previous prime is 2318745589. The next prime is 2318745623. The reversal of 2318745613 is 3165478132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2176968964 + 141776649 = 46658^2 + 11907^2 .

It is a cyclic number.

It is not a de Polignac number, because 2318745613 - 2⁹ = 2318745101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2318745623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1159372806 + 1159372807.

It is an arithmetic number, because the mean of its divisors is an integer number (1159372807).

Almost surely, 2^2318745613 is an apocalyptic number.

It is an amenable number.

2318745613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2318745613 is an equidigital number, since it uses as much as digits as its factorization.

2318745613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 2318745613 is about 48153.3551582857. The cubic root of 2318745613 is about 1323.5825569236.

The spelling of 2318745613 in words is "two billion, three hundred eighteen million, seven hundred forty-five thousand, six hundred thirteen".