14243120989 has 2 divisors, whose sum is σ = 14243120990. Its totient is φ = 14243120988.

The previous prime is 14243120959. The next prime is 14243121071. The reversal of 14243120989 is 98902134241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8551625625 + 5691495364 = 92475^2 + 75442^2 .

It is a cyclic number.

It is not a de Polignac number, because 14243120989 - 2⁹ = 14243120477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14243120939) 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, 7121560494 + 7121560495.

It is an arithmetic number, because the mean of its divisors is an integer number (7121560495).

Almost surely, 2^14243120989 is an apocalyptic number.

It is an amenable number.

14243120989 is a deficient number, since it is larger than the sum of its proper divisors (1).

14243120989 is an equidigital number, since it uses as much as digits as its factorization.

14243120989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 14243120989 in words is "fourteen billion, two hundred forty-three million, one hundred twenty thousand, nine hundred eighty-nine".