3631533225664 has 28 divisors (see below), whose sum is σ = 7207028582104. Its totient is φ = 1815589016064.

The previous prime is 3631533225659. The next prime is 3631533225679. The reversal of 3631533225664 is 4665223351363.

It is a happy number.

3631533225664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2114277 + ... + 3425380.

Almost surely, 2^{3631533225664} is an apocalyptic number.

It is an amenable number.

3631533225664 is a deficient number, since it is larger than the sum of its proper divisors (3575495356440).

3631533225664 is a wasteful number, since it uses less digits than its factorization.

3631533225664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5549912 (or 5549902 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 49.

The spelling of 3631533225664 in words is "three trillion, six hundred thirty-one billion, five hundred thirty-three million, two hundred twenty-five thousand, six hundred sixty-four".