18083433313 has 16 divisors (see below), whose sum is σ = 20670579072. Its totient is φ = 15659424000.

The previous prime is 18083433289. The next prime is 18083433349. The reversal of 18083433313 is 31333438081.

It is not a de Polignac number, because 18083433313 - 2⁵ = 18083433281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18083433413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87318 + ... + 209263.

It is an arithmetic number, because the mean of its divisors is an integer number (1291911192).

Almost surely, 2^18083433313 is an apocalyptic number.

It is an amenable number.

18083433313 is a deficient number, since it is larger than the sum of its proper divisors (2587145759).

18083433313 is a wasteful number, since it uses less digits than its factorization.

18083433313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296856.

The product of its (nonzero) digits is 62208, while the sum is 37.

It can be divided in two parts, 1808343 and 3313, that added together give a triangular number (1811656 = T₁₉₀₃).

The spelling of 18083433313 in words is "eighteen billion, eighty-three million, four hundred thirty-three thousand, three hundred thirteen".