3644625332 has 12 divisors (see below), whose sum is σ = 6386204160. Its totient is φ = 1819995576.

The previous prime is 3644625311. The next prime is 3644625389. The reversal of 3644625332 is 2335264463.

3644625332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3644625332² = 26566587621312220448, which contains 22 as substring.

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, 575732 + ... + 582027.

It is an arithmetic number, because the mean of its divisors is an integer number (532183680).

Almost surely, 2^3644625332 is an apocalyptic number.

It is an amenable number.

3644625332 is a deficient number, since it is larger than the sum of its proper divisors (2741578828).

3644625332 is a wasteful number, since it uses less digits than its factorization.

3644625332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158550 (or 1158548 counting only the distinct ones).

The product of its digits is 311040, while the sum is 38.

The square root of 3644625332 is about 60370.7324123205. The cubic root of 3644625332 is about 1538.9256198921.

Adding to 3644625332 its reverse (2335264463), we get a palindrome (5979889795).

The spelling of 3644625332 in words is "three billion, six hundred forty-four million, six hundred twenty-five thousand, three hundred thirty-two".