3688683268728 has 64 divisors (see below), whose sum is σ = 9252173036160. Its totient is φ = 1225503962496.

The previous prime is 3688683268727. The next prime is 3688683268747. The reversal of 3688683268728 is 8278623868863.

It is a self number, because there is not a number n which added to its sum of digits gives 3688683268728.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 12073551 + ... + 12375297.

It is an arithmetic number, because the mean of its divisors is an integer number (144565203690).

Almost surely, 2^{3688683268728} is an apocalyptic number.

It is an amenable number.

3688683268728 is an abundant number, since it is smaller than the sum of its proper divisors (5563489767432).

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

3688683268728 is a wasteful number, since it uses less digits than its factorization.

3688683268728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303436 (or 303432 counting only the distinct ones).

The product of its digits is 1783627776, while the sum is 75.

The spelling of 3688683268728 in words is "three trillion, six hundred eighty-eight billion, six hundred eighty-three million, two hundred sixty-eight thousand, seven hundred twenty-eight".