6560550613 has 12 divisors (see below), whose sum is σ = 6862462348. Its totient is φ = 6271404480.

The previous prime is 6560550611. The next prime is 6560550643. The reversal of 6560550613 is 3160550656.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3825051409 + 2735499204 = 61847^2 + 52302^2 .

It is not a de Polignac number, because 6560550613 - 2¹ = 6560550611 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6560550611) 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, 1203931 + ... + 1209367.

Almost surely, 2^6560550613 is an apocalyptic number.

It is an amenable number.

6560550613 is a deficient number, since it is larger than the sum of its proper divisors (301911735).

6560550613 is a wasteful number, since it uses less digits than its factorization.

6560550613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7764 (or 7741 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 6560550613 is about 80997.2259586710. The cubic root of 6560550613 is about 1872.0326979954.

The spelling of 6560550613 in words is "six billion, five hundred sixty million, five hundred fifty thousand, six hundred thirteen".