3243545656 has 16 divisors (see below), whose sum is σ = 6549467400. Its totient is φ = 1497021024.

The previous prime is 3243545647. The next prime is 3243545659. The reversal of 3243545656 is 6565453423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243545659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15593866 + ... + 15594073.

Almost surely, 2^3243545656 is an apocalyptic number.

It is an amenable number.

3243545656 is an abundant number, since it is smaller than the sum of its proper divisors (3305921744).

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

3243545656 is a wasteful number, since it uses less digits than its factorization.

3243545656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31187958 (or 31187954 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 43.

The square root of 3243545656 is about 56952.1347800063. The cubic root of 3243545656 is about 1480.2668218712.

The spelling of 3243545656 in words is "three billion, two hundred forty-three million, five hundred forty-five thousand, six hundred fifty-six".