3638853325 has 12 divisors (see below), whose sum is σ = 4554351360. Its totient is φ = 2883874160.

The previous prime is 3638853311. The next prime is 3638853331. The reversal of 3638853325 is 5233588363.

It is not a de Polignac number, because 3638853325 - 2⁵ = 3638853293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 677485 + ... + 682834.

It is an arithmetic number, because the mean of its divisors is an integer number (379529280).

Almost surely, 2^3638853325 is an apocalyptic number.

It is an amenable number.

3638853325 is a deficient number, since it is larger than the sum of its proper divisors (915498035).

3638853325 is a wasteful number, since it uses less digits than its factorization.

3638853325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360436 (or 1360431 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 46.

The square root of 3638853325 is about 60322.9087909395. The cubic root of 3638853325 is about 1538.1127898612.

The spelling of 3638853325 in words is "three billion, six hundred thirty-eight million, eight hundred fifty-three thousand, three hundred twenty-five".