18428286833 has 4 divisors (see below), whose sum is σ = 20103585648. Its totient is φ = 16752988020.

The previous prime is 18428286829. The next prime is 18428286853. The reversal of 18428286833 is 33868282481.

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 not a de Polignac number, because 18428286833 - 2² = 18428286829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18428286853) 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, 837649391 + ... + 837649412.

It is an arithmetic number, because the mean of its divisors is an integer number (5025896412).

Almost surely, 2^18428286833 is an apocalyptic number.

It is an amenable number.

18428286833 is a deficient number, since it is larger than the sum of its proper divisors (1675298815).

18428286833 is a wasteful number, since it uses less digits than its factorization.

18428286833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675298814.

The product of its digits is 3538944, while the sum is 53.

The spelling of 18428286833 in words is "eighteen billion, four hundred twenty-eight million, two hundred eighty-six thousand, eight hundred thirty-three".