3243545646 has 32 divisors (see below), whose sum is σ = 7091428608. Its totient is φ = 980864640.

The previous prime is 3243545603. The next prime is 3243545647. The reversal of 3243545646 is 6465453423.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3243545598 and 3243545607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243545647) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18315 + ... + 82598.

It is an arithmetic number, because the mean of its divisors is an integer number (221607144).

Almost surely, 2^3243545646 is an apocalyptic number.

3243545646 is an abundant number, since it is smaller than the sum of its proper divisors (3847882962).

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

3243545646 is a wasteful number, since it uses less digits than its factorization.

3243545646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101416.

The product of its digits is 1036800, while the sum is 42.

The square root of 3243545646 is about 56952.1346922132. The cubic root of 3243545646 is about 1480.2668203500.

The spelling of 3243545646 in words is "three billion, two hundred forty-three million, five hundred forty-five thousand, six hundred forty-six".