12366913589 has 4 divisors (see below), whose sum is σ = 12489358380. Its totient is φ = 12244468800.

The previous prime is 12366913579. The next prime is 12366913609. The reversal of 12366913589 is 98531966321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8801629489 + 3565284100 = 93817^2 + 59710^2 .

It is a cyclic number.

It is not a de Polignac number, because 12366913589 - 2¹² = 12366909493 is a prime.

It is a super-3 number, since 3×12366913589³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12366913589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12366913529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61222244 + ... + 61222445.

It is an arithmetic number, because the mean of its divisors is an integer number (3122339595).

Almost surely, 2^12366913589 is an apocalyptic number.

It is an amenable number.

12366913589 is a deficient number, since it is larger than the sum of its proper divisors (122444791).

12366913589 is a wasteful number, since it uses less digits than its factorization.

12366913589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122444790.

The product of its digits is 2099520, while the sum is 53.

The spelling of 12366913589 in words is "twelve billion, three hundred sixty-six million, nine hundred thirteen thousand, five hundred eighty-nine".