18669963803 has 8 divisors (see below), whose sum is σ = 18821713920. Its totient is φ = 18518288040.

The previous prime is 18669963779. The next prime is 18669963833. The reversal of 18669963803 is 30836996681.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18669963803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18669963833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557648 + ... + 590178.

It is an arithmetic number, because the mean of its divisors is an integer number (2352714240).

Almost surely, 2^18669963803 is an apocalyptic number.

18669963803 is a deficient number, since it is larger than the sum of its proper divisors (151750117).

18669963803 is a wasteful number, since it uses less digits than its factorization.

18669963803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37177.

The product of its (nonzero) digits is 10077696, while the sum is 59.

The spelling of 18669963803 in words is "eighteen billion, six hundred sixty-nine million, nine hundred sixty-three thousand, eight hundred three".