12184381589 has 2 divisors, whose sum is σ = 12184381590. Its totient is φ = 12184381588.

The previous prime is 12184381543. The next prime is 12184381591. The reversal of 12184381589 is 98518348121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12041770225 + 142611364 = 109735^2 + 11942^2 .

It is a cyclic number.

It is not a de Polignac number, because 12184381589 - 2¹² = 12184377493 is a prime.

Together with 12184381591, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12184381889) 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 as a sum of consecutive naturals, namely, 6092190794 + 6092190795.

It is an arithmetic number, because the mean of its divisors is an integer number (6092190795).

Almost surely, 2^12184381589 is an apocalyptic number.

It is an amenable number.

12184381589 is a deficient number, since it is larger than the sum of its proper divisors (1).

12184381589 is an equidigital number, since it uses as much as digits as its factorization.

12184381589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 50.

The spelling of 12184381589 in words is "twelve billion, one hundred eighty-four million, three hundred eighty-one thousand, five hundred eighty-nine".