8448640559 has 4 divisors (see below), whose sum is σ = 8645120616. Its totient is φ = 8252160504.

The previous prime is 8448640553. The next prime is 8448640561. The reversal of 8448640559 is 9550468448.

8448640559 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8448640559 - 2²⁰ = 8447591983 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 8448640559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8448640553) 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, 98239964 + ... + 98240049.

It is an arithmetic number, because the mean of its divisors is an integer number (2161280154).

Almost surely, 2^8448640559 is an apocalyptic number.

8448640559 is a deficient number, since it is larger than the sum of its proper divisors (196480057).

8448640559 is a wasteful number, since it uses less digits than its factorization.

8448640559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196480056.

The product of its (nonzero) digits is 5529600, while the sum is 53.

The square root of 8448640559 is about 91916.4868725954. The cubic root of 8448640559 is about 2036.7088222255.

The spelling of 8448640559 in words is "eight billion, four hundred forty-eight million, six hundred forty thousand, five hundred fifty-nine".