18833338855 has 8 divisors (see below), whose sum is σ = 22621313664. Its totient is φ = 15052466400.

The previous prime is 18833338813. The next prime is 18833338879. The reversal of 18833338855 is 55883333881.

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

It is not a de Polignac number, because 18833338855 - 2¹⁵ = 18833306087 is a prime.

It is a super-2 number, since 2×18833338855² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18833338796 and 18833338805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1769751 + ... + 1780360.

It is an arithmetic number, because the mean of its divisors is an integer number (2827664208).

Almost surely, 2^18833338855 is an apocalyptic number.

18833338855 is a deficient number, since it is larger than the sum of its proper divisors (3787974809).

18833338855 is a wasteful number, since it uses less digits than its factorization.

18833338855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551177.

The product of its digits is 8294400, while the sum is 55.

The spelling of 18833338855 in words is "eighteen billion, eight hundred thirty-three million, three hundred thirty-eight thousand, eight hundred fifty-five".