13788284018 has 8 divisors (see below), whose sum is σ = 20734524012. Its totient is φ = 6876776016.

The previous prime is 13788283997. The next prime is 13788284093. The reversal of 13788284018 is 81048288731.

It can be written as a sum of positive squares in 2 ways, for example, as 12926098249 + 862185769 = 113693^2 + 29363^2 .

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

It is a super-2 number, since 2×13788284018² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8682005 + ... + 8683592.

Almost surely, 2^13788284018 is an apocalyptic number.

13788284018 is a deficient number, since it is larger than the sum of its proper divisors (6946239994).

13788284018 is a wasteful number, since it uses less digits than its factorization.

13788284018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17365996.

The product of its (nonzero) digits is 688128, while the sum is 50.

The spelling of 13788284018 in words is "thirteen billion, seven hundred eighty-eight million, two hundred eighty-four thousand, eighteen".