5805045409 has 4 divisors (see below), whose sum is σ = 5805641620. Its totient is φ = 5804449200.

The previous prime is 5805045401. The next prime is 5805045431. The reversal of 5805045409 is 9045405085.

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 4751069184 + 1053976225 = 68928^2 + 32465^2 .

It is a cyclic number.

It is not a de Polignac number, because 5805045409 - 2³ = 5805045401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5805045401) 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, 283254 + ... + 303055.

It is an arithmetic number, because the mean of its divisors is an integer number (1451410405).

Almost surely, 2^5805045409 is an apocalyptic number.

It is an amenable number.

5805045409 is a deficient number, since it is larger than the sum of its proper divisors (596211).

5805045409 is an equidigital number, since it uses as much as digits as its factorization.

5805045409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596210.

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 5805045409 is about 76190.8485908905. The cubic root of 5805045409 is about 1797.2226106388. Note that the first 3 decimals are identical.

The spelling of 5805045409 in words is "five billion, eight hundred five million, forty-five thousand, four hundred nine".