3634255664 has 40 divisors (see below), whose sum is σ = 7588941360. Its totient is φ = 1676037888.

The previous prime is 3634255663. The next prime is 3634255697. The reversal of 3634255664 is 4665524363.

3634255664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3634255663) 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, 291119 + ... + 303345.

It is an arithmetic number, because the mean of its divisors is an integer number (189723534).

Almost surely, 2^3634255664 is an apocalyptic number.

It is an amenable number.

3634255664 is an abundant number, since it is smaller than the sum of its proper divisors (3954685696).

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

3634255664 is a wasteful number, since it uses less digits than its factorization.

3634255664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13677 (or 13671 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 44.

The square root of 3634255664 is about 60284.7879983002. The cubic root of 3634255664 is about 1537.4647192556.

The spelling of 3634255664 in words is "three billion, six hundred thirty-four million, two hundred fifty-five thousand, six hundred sixty-four".