3564968728 has 16 divisors (see below), whose sum is σ = 6685205760. Its totient is φ = 1782247200.

The previous prime is 3564968711. The next prime is 3564968791. The reversal of 3564968728 is 8278694653.

3564968728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 45418 + ... + 95878.

It is an arithmetic number, because the mean of its divisors is an integer number (417825360).

Almost surely, 2^3564968728 is an apocalyptic number.

It is an amenable number.

3564968728 is a deficient number, since it is larger than the sum of its proper divisors (3120237032).

3564968728 is a wasteful number, since it uses less digits than its factorization.

3564968728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59298 (or 59294 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 58.

The square root of 3564968728 is about 59707.3590774203. The cubic root of 3564968728 is about 1527.6313939134.

The spelling of 3564968728 in words is "three billion, five hundred sixty-four million, nine hundred sixty-eight thousand, seven hundred twenty-eight".