18034322489 has 2 divisors, whose sum is σ = 18034322490. Its totient is φ = 18034322488.

The previous prime is 18034322437. The next prime is 18034322513. The reversal of 18034322489 is 98422343081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13704682489 + 4329640000 = 117067^2 + 65800^2 .

It is a cyclic number.

It is not a de Polignac number, because 18034322489 - 2¹⁶ = 18034256953 is a prime.

It is not a weakly prime, because it can be changed into another prime (18034382489) 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, 9017161244 + 9017161245.

It is an arithmetic number, because the mean of its divisors is an integer number (9017161245).

Almost surely, 2^18034322489 is an apocalyptic number.

It is an amenable number.

18034322489 is a deficient number, since it is larger than the sum of its proper divisors (1).

18034322489 is an equidigital number, since it uses as much as digits as its factorization.

18034322489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 18034322489 in words is "eighteen billion, thirty-four million, three hundred twenty-two thousand, four hundred eighty-nine".