13782680668 has 12 divisors (see below), whose sum is σ = 24140618320. Its totient is φ = 6885361152.

The previous prime is 13782680647. The next prime is 13782680669. The reversal of 13782680668 is 86608628731.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13782680669) 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, 1489608 + ... + 1498831.

Almost surely, 2^13782680668 is an apocalyptic number.

It is an amenable number.

13782680668 is a deficient number, since it is larger than the sum of its proper divisors (10357937652).

13782680668 is a wasteful number, since it uses less digits than its factorization.

13782680668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989596 (or 2989594 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 13782680668 in words is "thirteen billion, seven hundred eighty-two million, six hundred eighty thousand, six hundred sixty-eight".