13786743568 has 20 divisors (see below), whose sum is σ = 28766571148. Its totient is φ = 6363112320.

The previous prime is 13786743563. The next prime is 13786743571. The reversal of 13786743568 is 86534768731.

It can be written as a sum of positive squares in 2 ways, for example, as 1521624064 + 12265119504 = 39008^2 + 110748^2 .

It is not an unprimeable number, because it can be changed into a prime (13786743563) 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, 33141003 + ... + 33141418.

Almost surely, 2^13786743568 is an apocalyptic number.

It is an amenable number.

13786743568 is an abundant number, since it is smaller than the sum of its proper divisors (14979827580).

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

13786743568 is a wasteful number, since it uses less digits than its factorization.

13786743568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66282442 (or 66282436 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 58.

The spelling of 13786743568 in words is "thirteen billion, seven hundred eighty-six million, seven hundred forty-three thousand, five hundred sixty-eight".