5643966036 has 24 divisors (see below), whose sum is σ = 13862373280. Its totient is φ = 1782304992.

The previous prime is 5643966023. The next prime is 5643966043. The reversal of 5643966036 is 6306693465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12376891 + ... + 12377346.

Almost surely, 2^5643966036 is an apocalyptic number.

It is an amenable number.

5643966036 is an abundant number, since it is smaller than the sum of its proper divisors (8218407244).

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

5643966036 is a wasteful number, since it uses less digits than its factorization.

5643966036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24754263 (or 24754261 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 48.

The square root of 5643966036 is about 75126.3338384085. Note that the first 3 decimals coincide. The cubic root of 5643966036 is about 1780.4432296907.

The spelling of 5643966036 in words is "five billion, six hundred forty-three million, nine hundred sixty-six thousand, thirty-six".