18414655231 has 8 divisors (see below), whose sum is σ = 21062180000. Its totient is φ = 15771345408.

The previous prime is 18414655213. The next prime is 18414655241. The reversal of 18414655231 is 13255641481.

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

It is not a de Polignac number, because 18414655231 - 2⁹ = 18414654719 is a prime.

It is a super-2 number, since 2×18414655231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18414655241) 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, 1044366 + ... + 1061851.

It is an arithmetic number, because the mean of its divisors is an integer number (2632772500).

Almost surely, 2^18414655231 is an apocalyptic number.

18414655231 is a deficient number, since it is larger than the sum of its proper divisors (2647524769).

18414655231 is a wasteful number, since it uses less digits than its factorization.

18414655231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107473.

The product of its digits is 115200, while the sum is 40.

The spelling of 18414655231 in words is "eighteen billion, four hundred fourteen million, six hundred fifty-five thousand, two hundred thirty-one".