18235662484 has 12 divisors (see below), whose sum is σ = 34367210164. Its totient is φ = 8416459584.

The previous prime is 18235662481. The next prime is 18235662503. The reversal of 18235662484 is 48426653281.

It can be written as a sum of positive squares in 2 ways, for example, as 4103683600 + 14131978884 = 64060^2 + 118878^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18235662481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175342857 + ... + 175342960.

Almost surely, 2^18235662484 is an apocalyptic number.

It is an amenable number.

18235662484 is a deficient number, since it is larger than the sum of its proper divisors (16131547680).

18235662484 is a wasteful number, since it uses less digits than its factorization.

18235662484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350685834 (or 350685832 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 49.

The spelling of 18235662484 in words is "eighteen billion, two hundred thirty-five million, six hundred sixty-two thousand, four hundred eighty-four".