6559380099 has 12 divisors (see below), whose sum is σ = 9475830000. Its totient is φ = 4372380144.

The previous prime is 6559380083. The next prime is 6559380133. The reversal of 6559380099 is 9900839556.

6559380099 is a `hidden beast` number, since 6 + 559 + 3 + 80 + 0 + 9 + 9 = 666.

It is a Cunningham number, because it is equal to 80990²-1.

It is not a de Polignac number, because 6559380099 - 2⁴ = 6559380083 is a prime.

It is a super-3 number, since 3×6559380099³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (6559382099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40497 + ... + 121485.

It is an arithmetic number, because the mean of its divisors is an integer number (789652500).

Almost surely, 2^6559380099 is an apocalyptic number.

6559380099 is a deficient number, since it is larger than the sum of its proper divisors (2916449901).

6559380099 is a wasteful number, since it uses less digits than its factorization.

6559380099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89994 (or 89991 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 54.

The square root of 6559380099 is about 80989.9999938264. Note that the first 5 decimals coincide. The cubic root of 6559380099 is about 1871.9213571978.

The spelling of 6559380099 in words is "six billion, five hundred fifty-nine million, three hundred eighty thousand, ninety-nine".