6565509150 has 24 divisors (see below), whose sum is σ = 16282463064. Its totient is φ = 1750802400.

The previous prime is 6565509149. The next prime is 6565509179. The reversal of 6565509150 is 519055656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21884881 + ... + 21885180.

It is an arithmetic number, because the mean of its divisors is an integer number (678435961).

Almost surely, 2^6565509150 is an apocalyptic number.

6565509150 is an abundant number, since it is smaller than the sum of its proper divisors (9716953914).

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

6565509150 is a wasteful number, since it uses less digits than its factorization.

6565509150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43770076 (or 43770071 counting only the distinct ones).

The product of its (nonzero) digits is 202500, while the sum is 42.

The square root of 6565509150 is about 81027.8294785193. The cubic root of 6565509150 is about 1872.5042135897.

The spelling of 6565509150 in words is "six billion, five hundred sixty-five million, five hundred nine thousand, one hundred fifty".