5809927081 has 4 divisors (see below), whose sum is σ = 6639916672. Its totient is φ = 4979937492.

The previous prime is 5809927073. The next prime is 5809927091. The reversal of 5809927081 is 1807299085.

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 5809927081 - 2³ = 5809927073 is a prime.

It is a super-2 number, since 2×5809927081² = 67510505373074361122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5809927091) 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, 414994785 + ... + 414994798.

It is an arithmetic number, because the mean of its divisors is an integer number (1659979168).

Almost surely, 2^5809927081 is an apocalyptic number.

It is an amenable number.

5809927081 is a deficient number, since it is larger than the sum of its proper divisors (829989591).

5809927081 is an equidigital number, since it uses as much as digits as its factorization.

5809927081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829989590.

The product of its (nonzero) digits is 362880, while the sum is 49.

The square root of 5809927081 is about 76222.8776746194. The cubic root of 5809927081 is about 1797.7262525872.

The spelling of 5809927081 in words is "five billion, eight hundred nine million, nine hundred twenty-seven thousand, eighty-one".