18809500003 has 12 divisors (see below), whose sum is σ = 21883915152. Its totient is φ = 16119867120.

The previous prime is 18809499991. The next prime is 18809500037. The reversal of 18809500003 is 30000590881.

It is not a de Polignac number, because 18809500003 - 2¹⁷ = 18809368931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18809500403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322293 + ... + 376153.

It is an arithmetic number, because the mean of its divisors is an integer number (1823659596).

Almost surely, 2^18809500003 is an apocalyptic number.

18809500003 is a deficient number, since it is larger than the sum of its proper divisors (3074415149).

18809500003 is an equidigital number, since it uses as much as digits as its factorization.

18809500003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61002 (or 60995 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 18809500003 in words is "eighteen billion, eight hundred nine million, five hundred thousand, three".