3243578650 has 24 divisors (see below), whose sum is σ = 6497138844. Its totient is φ = 1197628800.

The previous prime is 3243578647. The next prime is 3243578669. The reversal of 3243578650 is 568753423.

It can be written as a sum of positive squares in 6 ways, for example, as 13816089 + 3229762561 = 3717^2 + 56831^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3243578597 and 3243578606.

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 11 ways as a sum of consecutive naturals, for example, 2494411 + ... + 2495710.

Almost surely, 2^3243578650 is an apocalyptic number.

3243578650 is an abundant number, since it is smaller than the sum of its proper divisors (3253560194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3243578650 is a wasteful number, since it uses less digits than its factorization.

3243578650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4990146 (or 4990141 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The square root of 3243578650 is about 56952.4244435652. The cubic root of 3243578650 is about 1480.2718410450.

The spelling of 3243578650 in words is "three billion, two hundred forty-three million, five hundred seventy-eight thousand, six hundred fifty".