18504113369 has 8 divisors (see below), whose sum is σ = 22391532288. Its totient is φ = 14927688000.

The previous prime is 18504113363. The next prime is 18504113371. The reversal of 18504113369 is 96331140581.

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 18504113369 - 2⁸ = 18504113113 is a prime.

It is a super-2 number, since 2×18504113369² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18504113363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77748257 + ... + 77748494.

It is an arithmetic number, because the mean of its divisors is an integer number (2798941536).

Almost surely, 2^18504113369 is an apocalyptic number.

It is an amenable number.

18504113369 is a deficient number, since it is larger than the sum of its proper divisors (3887418919).

18504113369 is a wasteful number, since it uses less digits than its factorization.

18504113369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155496775.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 18504113369 in words is "eighteen billion, five hundred four million, one hundred thirteen thousand, three hundred sixty-nine".