5636198868 has 12 divisors (see below), whose sum is σ = 13151130720. Its totient is φ = 1878732952.

The previous prime is 5636198861. The next prime is 5636198881. The reversal of 5636198868 is 8688916365.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5636198861) 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, 234841608 + ... + 234841631.

It is an arithmetic number, because the mean of its divisors is an integer number (1095927560).

Almost surely, 2^5636198868 is an apocalyptic number.

It is an amenable number.

5636198868 is an abundant number, since it is smaller than the sum of its proper divisors (7514931852).

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

5636198868 is a wasteful number, since it uses less digits than its factorization.

5636198868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469683246 (or 469683244 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 60.

The square root of 5636198868 is about 75074.6219970504. The cubic root of 5636198868 is about 1779.6261121873.

The spelling of 5636198868 in words is "five billion, six hundred thirty-six million, one hundred ninety-eight thousand, eight hundred sixty-eight".