2318286398489 has 2 divisors, whose sum is σ = 2318286398490. Its totient is φ = 2318286398488.

The previous prime is 2318286398459. The next prime is 2318286398501. The reversal of 2318286398489 is 9848936828132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2318286398464 + 25 = 1522592^2 + 5^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2318286398489 is a prime.

It is not a weakly prime, because it can be changed into another prime (2318286398429) 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, 1159143199244 + 1159143199245.

It is an arithmetic number, because the mean of its divisors is an integer number (1159143199245).

Almost surely, 2^{2318286398489} is an apocalyptic number.

It is an amenable number.

2318286398489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2318286398489 is an equidigital number, since it uses as much as digits as its factorization.

2318286398489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 286654464, while the sum is 71.

The spelling of 2318286398489 in words is "two trillion, three hundred eighteen billion, two hundred eighty-six million, three hundred ninety-eight thousand, four hundred eighty-nine".