3688683268729 has 8 divisors (see below), whose sum is σ = 3861598466880. Its totient is φ = 3516812876016.

The previous prime is 3688683268727. The next prime is 3688683268747. The reversal of 3688683268729 is 9278623868863.

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

It is a cyclic number.

It is not a de Polignac number, because 3688683268729 - 2¹ = 3688683268727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3688683268727) 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, 261194134 + ... + 261208255.

It is an arithmetic number, because the mean of its divisors is an integer number (482699808360).

Almost surely, 2^{3688683268729} is an apocalyptic number.

It is an amenable number.

3688683268729 is a deficient number, since it is larger than the sum of its proper divisors (172915198151).

3688683268729 is a wasteful number, since it uses less digits than its factorization.

3688683268729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522402719.

The product of its digits is 2006581248, while the sum is 76.

The spelling of 3688683268729 in words is "three trillion, six hundred eighty-eight billion, six hundred eighty-three million, two hundred sixty-eight thousand, seven hundred twenty-nine".