5643685700 has 18 divisors (see below), whose sum is σ = 12246798186. Its totient is φ = 2257474240.

The previous prime is 5643685681. The next prime is 5643685717. The reversal of 5643685700 is 75863465.

It can be written as a sum of positive squares in 3 ways, for example, as 1300612096 + 4343073604 = 36064^2 + 65902^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28218329 + ... + 28218528.

It is an arithmetic number, because the mean of its divisors is an integer number (680377677).

Almost surely, 2^5643685700 is an apocalyptic number.

5643685700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5643685700 is an abundant number, since it is smaller than the sum of its proper divisors (6603112486).

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

5643685700 is a wasteful number, since it uses less digits than its factorization.

5643685700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56436871 (or 56436864 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 5643685700 is about 75124.4680513613. The cubic root of 5643685700 is about 1780.4137509758.

The spelling of 5643685700 in words is "five billion, six hundred forty-three million, six hundred eighty-five thousand, seven hundred".