6559950517 has 4 divisors (see below), whose sum is σ = 6771561856. Its totient is φ = 6348339180.

The previous prime is 6559950493. The next prime is 6559950541. The reversal of 6559950517 is 7150599556.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (6559950493) and next prime (6559950541).

It is a cyclic number.

It is not a de Polignac number, because 6559950517 - 2²³ = 6551561909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6559956517) 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, 105805623 + ... + 105805684.

It is an arithmetic number, because the mean of its divisors is an integer number (1692890464).

Almost surely, 2^6559950517 is an apocalyptic number.

It is an amenable number.

6559950517 is a deficient number, since it is larger than the sum of its proper divisors (211611339).

6559950517 is a wasteful number, since it uses less digits than its factorization.

6559950517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211611338.

The product of its (nonzero) digits is 2126250, while the sum is 52.

The square root of 6559950517 is about 80993.5214507926. The cubic root of 6559950517 is about 1871.9756177464.

The spelling of 6559950517 in words is "six billion, five hundred fifty-nine million, nine hundred fifty thousand, five hundred seventeen".