5609443859 has 4 divisors (see below), whose sum is σ = 5609785104. Its totient is φ = 5609102616.

The previous prime is 5609443837. The next prime is 5609443877. The reversal of 5609443859 is 9583449065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9583449065 = 5 ⋅1916689813.

It is a cyclic number.

It is not a de Polignac number, because 5609443859 - 2⁸ = 5609443603 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 5609443859.

It is not an unprimeable number, because it can be changed into a prime (5609443759) 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, 144647 + ... + 179280.

It is an arithmetic number, because the mean of its divisors is an integer number (1402446276).

Almost surely, 2^5609443859 is an apocalyptic number.

5609443859 is a deficient number, since it is larger than the sum of its proper divisors (341245).

5609443859 is a wasteful number, since it uses less digits than its factorization.

5609443859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341244.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The square root of 5609443859 is about 74896.2205922302. The cubic root of 5609443859 is about 1776.8056857443.

The spelling of 5609443859 in words is "five billion, six hundred nine million, four hundred forty-three thousand, eight hundred fifty-nine".