5605832891 has 4 divisors (see below), whose sum is σ = 5616978192. Its totient is φ = 5594687592.

The previous prime is 5605832879. The next prime is 5605832893. The reversal of 5605832891 is 1982385065.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5605832891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5605832893) 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, 5571896 + ... + 5572901.

It is an arithmetic number, because the mean of its divisors is an integer number (1404244548).

Almost surely, 2^5605832891 is an apocalyptic number.

5605832891 is a deficient number, since it is larger than the sum of its proper divisors (11145301).

5605832891 is a wasteful number, since it uses less digits than its factorization.

5605832891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11145300.

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 5605832891 is about 74872.1102347196. The cubic root of 5605832891 is about 1776.4243427895.

The spelling of 5605832891 in words is "five billion, six hundred five million, eight hundred thirty-two thousand, eight hundred ninety-one".