18264841233 has 8 divisors (see below), whose sum is σ = 24530882208. Its totient is φ = 12087680544.

The previous prime is 18264841181. The next prime is 18264841249. The reversal of 18264841233 is 33214846281.

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

It is not a de Polignac number, because 18264841233 - 2¹⁸ = 18264579089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18264846233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22219591 + ... + 22220412.

It is an arithmetic number, because the mean of its divisors is an integer number (3066360276).

Almost surely, 2^18264841233 is an apocalyptic number.

It is an amenable number.

18264841233 is a deficient number, since it is larger than the sum of its proper divisors (6266040975).

18264841233 is a wasteful number, since it uses less digits than its factorization.

18264841233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44440143.

The product of its digits is 221184, while the sum is 42.

The spelling of 18264841233 in words is "eighteen billion, two hundred sixty-four million, eight hundred forty-one thousand, two hundred thirty-three".