3634644052 has 24 divisors (see below), whose sum is σ = 6913934496. Its totient is φ = 1661847648.

The previous prime is 3634643981. The next prime is 3634644053. The reversal of 3634644052 is 2504464363.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3634644053) 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, 321058 + ... + 332185.

It is an arithmetic number, because the mean of its divisors is an integer number (288080604).

Almost surely, 2^3634644052 is an apocalyptic number.

It is an amenable number.

3634644052 is a deficient number, since it is larger than the sum of its proper divisors (3279290444).

3634644052 is a wasteful number, since it uses less digits than its factorization.

3634644052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653367 (or 653365 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

The square root of 3634644052 is about 60288.0091892244. The cubic root of 3634644052 is about 1537.5194862315.

The spelling of 3634644052 in words is "three billion, six hundred thirty-four million, six hundred forty-four thousand, fifty-two".