12289315789 has 2 divisors, whose sum is σ = 12289315790. Its totient is φ = 12289315788.

The previous prime is 12289315781. The next prime is 12289315807. The reversal of 12289315789 is 98751398221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8729164900 + 3560150889 = 93430^2 + 59667^2 .

It is a cyclic number.

It is not a de Polignac number, because 12289315789 - 2³ = 12289315781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12289315781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6144657894 + 6144657895.

It is an arithmetic number, because the mean of its divisors is an integer number (6144657895).

Almost surely, 2^12289315789 is an apocalyptic number.

It is an amenable number.

12289315789 is a deficient number, since it is larger than the sum of its proper divisors (1).

12289315789 is an equidigital number, since it uses as much as digits as its factorization.

12289315789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 55.

The spelling of 12289315789 in words is "twelve billion, two hundred eighty-nine million, three hundred fifteen thousand, seven hundred eighty-nine".