5985941809 has 4 divisors (see below), whose sum is σ = 5986524916. Its totient is φ = 5985358704.

The previous prime is 5985941803. The next prime is 5985941827. The reversal of 5985941809 is 9081495895.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5103673600 + 882268209 = 71440^2 + 29703^2 .

It is a cyclic number.

It is not a de Polignac number, because 5985941809 - 2⁵ = 5985941777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5985941803) 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, 275874 + ... + 296779.

It is an arithmetic number, because the mean of its divisors is an integer number (1496631229).

Almost surely, 2^5985941809 is an apocalyptic number.

It is an amenable number.

5985941809 is a deficient number, since it is larger than the sum of its proper divisors (583107).

5985941809 is a wasteful number, since it uses less digits than its factorization.

5985941809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583106.

The product of its (nonzero) digits is 4665600, while the sum is 58.

The square root of 5985941809 is about 77368.8684743418. The cubic root of 5985941809 is about 1815.7002925196.

The spelling of 5985941809 in words is "five billion, nine hundred eighty-five million, nine hundred forty-one thousand, eight hundred nine".