12308145589 has 2 divisors, whose sum is σ = 12308145590. Its totient is φ = 12308145588.

The previous prime is 12308145581. The next prime is 12308145617. The reversal of 12308145589 is 98554180321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12308127364 + 18225 = 110942^2 + 135^2 .

It is a cyclic number.

It is not a de Polignac number, because 12308145589 - 2³ = 12308145581 is a prime.

It is a super-3 number, since 3×12308145589³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12308145581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6154072794 + 6154072795.

It is an arithmetic number, because the mean of its divisors is an integer number (6154072795).

Almost surely, 2^12308145589 is an apocalyptic number.

It is an amenable number.

12308145589 is a deficient number, since it is larger than the sum of its proper divisors (1).

12308145589 is an equidigital number, since it uses as much as digits as its factorization.

12308145589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 12308145589 in words is "twelve billion, three hundred eight million, one hundred forty-five thousand, five hundred eighty-nine".