3243125636 has 24 divisors (see below), whose sum is σ = 5861425920. Its totient is φ = 1568484000.

The previous prime is 3243125609. The next prime is 3243125647. The reversal of 3243125636 is 6365213423.

It is a junction number, because it is equal to n+sod(n) for n = 3243125596 and 3243125605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309686 + ... + 319986.

It is an arithmetic number, because the mean of its divisors is an integer number (244226080).

Almost surely, 2^3243125636 is an apocalyptic number.

It is an amenable number.

3243125636 is a deficient number, since it is larger than the sum of its proper divisors (2618300284).

3243125636 is a wasteful number, since it uses less digits than its factorization.

3243125636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12875 (or 12873 counting only the distinct ones).

The product of its digits is 77760, while the sum is 35.

The square root of 3243125636 is about 56948.4471781277. The cubic root of 3243125636 is about 1480.2029238436.

The spelling of 3243125636 in words is "three billion, two hundred forty-three million, one hundred twenty-five thousand, six hundred thirty-six".