18748022003 has 8 divisors (see below), whose sum is σ = 19125698496. Its totient is φ = 18372614400.

The previous prime is 18748021997. The next prime is 18748022009. The reversal of 18748022003 is 30022084781.

It is an interprime number because it is at equal distance from previous prime (18748021997) and next prime (18748022009).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-18748022003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18748022009) 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 7 ways as a sum of consecutive naturals, for example, 550526 + ... + 583587.

It is an arithmetic number, because the mean of its divisors is an integer number (2390712312).

Almost surely, 2^18748022003 is an apocalyptic number.

18748022003 is a deficient number, since it is larger than the sum of its proper divisors (377676493).

18748022003 is a wasteful number, since it uses less digits than its factorization.

18748022003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134445.

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 18748022003 in words is "eighteen billion, seven hundred forty-eight million, twenty-two thousand, three".