13663423944228 has 48 divisors (see below), whose sum is σ = 33561989162240. Its totient is φ = 4314418020000.

The previous prime is 13663423944223. The next prime is 13663423944271. The reversal of 13663423944228 is 82244932436631.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (13663423944223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432303 + ... + 5245353.

Almost surely, 2^{13663423944228} is an apocalyptic number.

It is an amenable number.

13663423944228 is an abundant number, since it is smaller than the sum of its proper divisors (19898565218012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13663423944228 is a wasteful number, since it uses less digits than its factorization.

13663423944228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4825528 (or 4825526 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 57.

The spelling of 13663423944228 in words is "thirteen trillion, six hundred sixty-three billion, four hundred twenty-three million, nine hundred forty-four thousand, two hundred twenty-eight".