18283849227 has 32 divisors (see below), whose sum is σ = 31275955200. Its totient is φ = 10340193024.

The previous prime is 18283849223. The next prime is 18283849229. The reversal of 18283849227 is 72294838281.

18283849227 is a `hidden beast` number, since 18 + 28 + 384 + 9 + 227 = 666.

It is not a de Polignac number, because 18283849227 - 2² = 18283849223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18283849223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480327 + ... + 516992.

It is an arithmetic number, because the mean of its divisors is an integer number (977373600).

Almost surely, 2^18283849227 is an apocalyptic number.

18283849227 is a deficient number, since it is larger than the sum of its proper divisors (12992105973).

18283849227 is an equidigital number, since it uses as much as digits as its factorization.

18283849227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997432 (or 997426 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The spelling of 18283849227 in words is "eighteen billion, two hundred eighty-three million, eight hundred forty-nine thousand, two hundred twenty-seven".