18214464273 has 8 divisors (see below), whose sum is σ = 24341275200. Its totient is φ = 12115314768.

The previous prime is 18214464239. The next prime is 18214464311. The reversal of 18214464273 is 37246441281.

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

It is not a de Polignac number, because 18214464273 - 2¹⁰ = 18214463249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18214464223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6913818 + ... + 6916451.

It is an arithmetic number, because the mean of its divisors is an integer number (3042659400).

Almost surely, 2^18214464273 is an apocalyptic number.

It is an amenable number.

18214464273 is a deficient number, since it is larger than the sum of its proper divisors (6126810927).

18214464273 is a wasteful number, since it uses less digits than its factorization.

18214464273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13830711.

The product of its digits is 258048, while the sum is 42.

The spelling of 18214464273 in words is "eighteen billion, two hundred fourteen million, four hundred sixty-four thousand, two hundred seventy-three".