18555497341 has 18 divisors (see below), whose sum is σ = 19155103422. Its totient is φ = 17969811120.

The previous prime is 18555497309. The next prime is 18555497357. The reversal of 18555497341 is 14379455581.

It can be written as a sum of positive squares in only one way, i.e., 10950785316 + 7604712025 = 104646^2 + 87205^2 .

It is not a de Polignac number, because 18555497341 - 2⁵ = 18555497309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18555497381) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 113837326 + ... + 113837488.

Almost surely, 2^18555497341 is an apocalyptic number.

It is an amenable number.

18555497341 is a deficient number, since it is larger than the sum of its proper divisors (599606081).

18555497341 is an frugal number, since it uses more digits than its factorization.

18555497341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 331 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 52.

The spelling of 18555497341 in words is "eighteen billion, five hundred fifty-five million, four hundred ninety-seven thousand, three hundred forty-one".