5605665829 has 4 divisors (see below), whose sum is σ = 5608283776. Its totient is φ = 5603047884.

The previous prime is 5605665773. The next prime is 5605665859. The reversal of 5605665829 is 9285665065.

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 5605665829 - 2¹⁷ = 5605534757 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 (5605665859) 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 3 ways as a sum of consecutive naturals, for example, 1305759 + ... + 1310044.

It is an arithmetic number, because the mean of its divisors is an integer number (1402070944).

Almost surely, 2^5605665829 is an apocalyptic number.

It is an amenable number.

5605665829 is a deficient number, since it is larger than the sum of its proper divisors (2617947).

5605665829 is a wasteful number, since it uses less digits than its factorization.

5605665829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617946.

The product of its (nonzero) digits is 3888000, while the sum is 52.

The square root of 5605665829 is about 74870.9945773395. The cubic root of 5605665829 is about 1776.4066959351.

The spelling of 5605665829 in words is "five billion, six hundred five million, six hundred sixty-five thousand, eight hundred twenty-nine".