18827026033 has 4 divisors (see below), whose sum is σ = 19817922160. Its totient is φ = 17836129908.

The previous prime is 18827026019. The next prime is 18827026067. The reversal of 18827026033 is 33062072881.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18827026033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18827026013) 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 3 ways as a sum of consecutive naturals, for example, 495448035 + ... + 495448072.

It is an arithmetic number, because the mean of its divisors is an integer number (4954480540).

Almost surely, 2^18827026033 is an apocalyptic number.

It is an amenable number.

18827026033 is a deficient number, since it is larger than the sum of its proper divisors (990896127).

18827026033 is an equidigital number, since it uses as much as digits as its factorization.

18827026033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990896126.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 18827026033 in words is "eighteen billion, eight hundred twenty-seven million, twenty-six thousand, thirty-three".