12318415989 has 16 divisors (see below), whose sum is σ = 17920234560. Its totient is φ = 7464648960.

The previous prime is 12318415987. The next prime is 12318416021. The reversal of 12318415989 is 98951481321.

It is not a de Polignac number, because 12318415989 - 2¹ = 12318415987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12318415987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254589 + ... + 299085.

It is an arithmetic number, because the mean of its divisors is an integer number (1120014660).

Almost surely, 2^12318415989 is an apocalyptic number.

It is an amenable number.

12318415989 is a deficient number, since it is larger than the sum of its proper divisors (5601818571).

12318415989 is a wasteful number, since it uses less digits than its factorization.

12318415989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52900.

The product of its digits is 622080, while the sum is 51.

The spelling of 12318415989 in words is "twelve billion, three hundred eighteen million, four hundred fifteen thousand, nine hundred eighty-nine".