3635621068 has 12 divisors (see below), whose sum is σ = 6365882152. Its totient is φ = 1816797600.

The previous prime is 3635621039. The next prime is 3635621089. The reversal of 3635621068 is 8601265363.

3635621068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3635621068.

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, 245130 + ... + 259537.

Almost surely, 2^3635621068 is an apocalyptic number.

It is an amenable number.

3635621068 is a deficient number, since it is larger than the sum of its proper divisors (2730261084).

3635621068 is a wasteful number, since it uses less digits than its factorization.

3635621068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506472 (or 506470 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 3635621068 is about 60296.1115495850. Note that the first 3 decimals coincide. The cubic root of 3635621068 is about 1537.6572389742.

The spelling of 3635621068 in words is "three billion, six hundred thirty-five million, six hundred twenty-one thousand, sixty-eight".