18594020089 has 8 divisors (see below), whose sum is σ = 18837555200. Its totient is φ = 18352002816.

The previous prime is 18594020077. The next prime is 18594020149. The reversal of 18594020089 is 98002049581.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18594020089 - 2¹³ = 18594011897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18594020059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354789 + ... + 403810.

It is an arithmetic number, because the mean of its divisors is an integer number (2354694400).

Almost surely, 2^18594020089 is an apocalyptic number.

It is an amenable number.

18594020089 is a deficient number, since it is larger than the sum of its proper divisors (243535111).

18594020089 is a wasteful number, since it uses less digits than its factorization.

18594020089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758919.

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 18594020089 in words is "eighteen billion, five hundred ninety-four million, twenty thousand, eighty-nine".