6559889500 has 96 divisors (see below), whose sum is σ = 14801439744. Its totient is φ = 2538432000.

The previous prime is 6559889491. The next prime is 6559889537. The reversal of 6559889500 is 59889556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1932805 + ... + 1936195.

It is an arithmetic number, because the mean of its divisors is an integer number (154181664).

Almost surely, 2^6559889500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6559889500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7400719872).

6559889500 is an abundant number, since it is smaller than the sum of its proper divisors (8241550244).

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

6559889500 is a wasteful number, since it uses less digits than its factorization.

6559889500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536 (or 3524 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 55.

The square root of 6559889500 is about 80993.1447716410. The cubic root of 6559889500 is about 1871.9698137041.

The spelling of 6559889500 in words is "six billion, five hundred fifty-nine million, eight hundred eighty-nine thousand, five hundred".