5567644909 has 4 divisors (see below), whose sum is σ = 5578984800. Its totient is φ = 5556305020.

The previous prime is 5567644903. The next prime is 5567644949. The reversal of 5567644909 is 9094467655.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 5567644909 - 2¹⁹ = 5567120621 is a prime.

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 5567644909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5567644903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5669209 + ... + 5670190.

It is an arithmetic number, because the mean of its divisors is an integer number (1394746200).

Almost surely, 2^5567644909 is an apocalyptic number.

It is an amenable number.

5567644909 is a deficient number, since it is larger than the sum of its proper divisors (11339891).

5567644909 is a wasteful number, since it uses less digits than its factorization.

5567644909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11339890.

The product of its (nonzero) digits is 8164800, while the sum is 55.

The square root of 5567644909 is about 74616.6530273236. The cubic root of 5567644909 is about 1772.3813700716.

The spelling of 5567644909 in words is "five billion, five hundred sixty-seven million, six hundred forty-four thousand, nine hundred nine".