18868835003 has 4 divisors (see below), whose sum is σ = 18869112600. Its totient is φ = 18868557408.

The previous prime is 18868834991. The next prime is 18868835023. The reversal of 18868835003 is 30053886881.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 18868835003 - 2²⁸ = 18600399547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18868835023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39548 + ... + 198246.

It is an arithmetic number, because the mean of its divisors is an integer number (4717278150).

Almost surely, 2^18868835003 is an apocalyptic number.

18868835003 is a deficient number, since it is larger than the sum of its proper divisors (277597).

18868835003 is a wasteful number, since it uses less digits than its factorization.

18868835003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277596.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 18868835003 in words is "eighteen billion, eight hundred sixty-eight million, eight hundred thirty-five thousand, three".