18833996009 has 4 divisors (see below), whose sum is σ = 18850360320. Its totient is φ = 18817631700.

The previous prime is 18833995997. The next prime is 18833996047. The reversal of 18833996009 is 90069933881.

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 18833996009 - 2¹⁶ = 18833930473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18833996809) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8180429 + ... + 8182730.

It is an arithmetic number, because the mean of its divisors is an integer number (4712590080).

Almost surely, 2^18833996009 is an apocalyptic number.

It is an amenable number.

18833996009 is a deficient number, since it is larger than the sum of its proper divisors (16364311).

18833996009 is a wasteful number, since it uses less digits than its factorization.

18833996009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16364310.

The product of its (nonzero) digits is 2519424, while the sum is 56.

The spelling of 18833996009 in words is "eighteen billion, eight hundred thirty-three million, nine hundred ninety-six thousand, nine".