18873748603 has 4 divisors (see below), whose sum is σ = 18874066288. Its totient is φ = 18873430920.

The previous prime is 18873748601. The next prime is 18873748633. The reversal of 18873748603 is 30684737881.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18873748603 - 2¹ = 18873748601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18873748601) 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, 40176 + ... + 198397.

It is an arithmetic number, because the mean of its divisors is an integer number (4718516572).

Almost surely, 2^18873748603 is an apocalyptic number.

18873748603 is a deficient number, since it is larger than the sum of its proper divisors (317685).

18873748603 is an equidigital number, since it uses as much as digits as its factorization.

18873748603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317684.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 18873748603 in words is "eighteen billion, eight hundred seventy-three million, seven hundred forty-eight thousand, six hundred three".