12318362078489 has 2 divisors, whose sum is σ = 12318362078490. Its totient is φ = 12318362078488.

The previous prime is 12318362078353. The next prime is 12318362078513. The reversal of 12318362078489 is 98487026381321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10756694467600 + 1561667610889 = 3279740^2 + 1249667^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12318362078489 is a prime.

It is not a weakly prime, because it can be changed into another prime (12318362018489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6159181039244 + 6159181039245.

It is an arithmetic number, because the mean of its divisors is an integer number (6159181039245).

Almost surely, 2^{12318362078489} is an apocalyptic number.

It is an amenable number.

12318362078489 is a deficient number, since it is larger than the sum of its proper divisors (1).

12318362078489 is an equidigital number, since it uses as much as digits as its factorization.

12318362078489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27869184, while the sum is 62.

The spelling of 12318362078489 in words is "twelve trillion, three hundred eighteen billion, three hundred sixty-two million, seventy-eight thousand, four hundred eighty-nine".