3634645244 has 12 divisors (see below), whose sum is σ = 6515766768. Its totient is φ = 1772997600.

The previous prime is 3634645211. The next prime is 3634645283. The reversal of 3634645244 is 4425464363.

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 11081072 + ... + 11081399.

It is an arithmetic number, because the mean of its divisors is an integer number (542980564).

Almost surely, 2^3634645244 is an apocalyptic number.

It is an amenable number.

3634645244 is a deficient number, since it is larger than the sum of its proper divisors (2881121524).

3634645244 is a wasteful number, since it uses less digits than its factorization.

3634645244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22162516 (or 22162514 counting only the distinct ones).

The product of its digits is 829440, while the sum is 41.

The square root of 3634645244 is about 60288.0190751031. The cubic root of 3634645244 is about 1537.5196543106.

The spelling of 3634645244 in words is "three billion, six hundred thirty-four million, six hundred forty-five thousand, two hundred forty-four".