5564644189 has 8 divisors (see below), whose sum is σ = 6138857592. Its totient is φ = 5011311360.

The previous prime is 5564644159. The next prime is 5564644201. The reversal of 5564644189 is 9814464655.

It can be written as a sum of positive squares in 4 ways, for example, as 419020900 + 5145623289 = 20470^2 + 71733^2 .

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 5564644189 - 2⁵ = 5564644157 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 (5564644109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5219584 + ... + 5220649.

It is an arithmetic number, because the mean of its divisors is an integer number (767357199).

Almost surely, 2^5564644189 is an apocalyptic number.

It is an amenable number.

5564644189 is a deficient number, since it is larger than the sum of its proper divisors (574213403).

5564644189 is a wasteful number, since it uses less digits than its factorization.

5564644189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10440287.

The product of its digits is 4147200, while the sum is 52.

The square root of 5564644189 is about 74596.5427416043. The cubic root of 5564644189 is about 1772.0629005293.

The spelling of 5564644189 in words is "five billion, five hundred sixty-four million, six hundred forty-four thousand, one hundred eighty-nine".