5566426693 has 8 divisors (see below), whose sum is σ = 5579121240. Its totient is φ = 5553745920.

The previous prime is 5566426661. The next prime is 5566426699. The reversal of 5566426693 is 3966246655.

It can be written as a sum of positive squares in 4 ways, for example, as 2981924449 + 2584502244 = 54607^2 + 50838^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5566426693 - 2⁵ = 5566426661 is a prime.

It is a super-2 number, since 2×5566426693² = 61970212257085832498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5566426693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5566426699) 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 7 ways as a sum of consecutive naturals, for example, 1336971 + ... + 1341127.

It is an arithmetic number, because the mean of its divisors is an integer number (697390155).

Almost surely, 2^5566426693 is an apocalyptic number.

It is an amenable number.

5566426693 is a deficient number, since it is larger than the sum of its proper divisors (12694547).

5566426693 is a wasteful number, since it uses less digits than its factorization.

5566426693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887.

The product of its digits is 6998400, while the sum is 52.

The square root of 5566426693 is about 74608.4894164196. The cubic root of 5566426693 is about 1772.2520933383.

The spelling of 5566426693 in words is "five billion, five hundred sixty-six million, four hundred twenty-six thousand, six hundred ninety-three".