6560838009 has 48 divisors (see below), whose sum is σ = 10506974400. Its totient is φ = 3911846400.

The previous prime is 6560837993. The next prime is 6560838029. The reversal of 6560838009 is 9008380656.

6560838009 is a `hidden beast` number, since 6 + 5 + 608 + 38 + 0 + 0 + 9 = 666.

It is not a de Polignac number, because 6560838009 - 2⁴ = 6560837993 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6560838029) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1857357 + ... + 1860885.

It is an arithmetic number, because the mean of its divisors is an integer number (218895300).

Almost surely, 2^6560838009 is an apocalyptic number.

It is an amenable number.

6560838009 is a deficient number, since it is larger than the sum of its proper divisors (3946136391).

6560838009 is a wasteful number, since it uses less digits than its factorization.

6560838009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846 (or 3843 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 6560838009 is about 80999.0000493833. Note that the first 4 decimals coincide. The cubic root of 6560838009 is about 1872.0600334476.

The spelling of 6560838009 in words is "six billion, five hundred sixty million, eight hundred thirty-eight thousand, nine".