18369429892 has 48 divisors (see below), whose sum is σ = 35919221184. Its totient is φ = 8147664000.

The previous prime is 18369429887. The next prime is 18369429899. The reversal of 18369429892 is 29892496381.

It is a self number, because there is not a number n which added to its sum of digits gives 18369429892.

It is not an unprimeable number, because it can be changed into a prime (18369429899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2230342 + ... + 2238562.

It is an arithmetic number, because the mean of its divisors is an integer number (748317108).

Almost surely, 2^18369429892 is an apocalyptic number.

It is an amenable number.

18369429892 is a deficient number, since it is larger than the sum of its proper divisors (17549791292).

18369429892 is a wasteful number, since it uses less digits than its factorization.

18369429892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9460 (or 9458 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 61.

The spelling of 18369429892 in words is "eighteen billion, three hundred sixty-nine million, four hundred twenty-nine thousand, eight hundred ninety-two".