18332244134689 has 9 divisors (see below), whose sum is σ = 18465679084593. Its totient is φ = 18199766623092.

The previous prime is 18332244134621. The next prime is 18332244134707. The reversal of 18332244134689 is 98643144223381.

The square root of 18332244134689 is 4281617.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 18332244134689 - 2⁴¹ = 16133220879137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18332244134989) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 595129362 + ... + 595160164.

Almost surely, 2^{18332244134689} is an apocalyptic number.

18332244134689 is the 4281617-th square number.

18332244134689 is the 2140809-th centered octagonal number.

It is an amenable number.

18332244134689 is a deficient number, since it is larger than the sum of its proper divisors (133434949904).

18332244134689 is an frugal number, since it uses more digits than its factorization.

18332244134689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61884 (or 30942 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 58.

The spelling of 18332244134689 in words is "eighteen trillion, three hundred thirty-two billion, two hundred forty-four million, one hundred thirty-four thousand, six hundred eighty-nine".