5805235385809 has 2 divisors, whose sum is σ = 5805235385810. Its totient is φ = 5805235385808.

The previous prime is 5805235385797. The next prime is 5805235385813. The reversal of 5805235385809 is 9085835325085.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3775066360209 + 2030169025600 = 1942953^2 + 1424840^2 .

It is a cyclic number.

It is not a de Polignac number, because 5805235385809 - 2¹⁹ = 5805234861521 is a prime.

It is not a weakly prime, because it can be changed into another prime (5805235385869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2902617692904 + 2902617692905.

It is an arithmetic number, because the mean of its divisors is an integer number (2902617692905).

Almost surely, 2^{5805235385809} is an apocalyptic number.

It is an amenable number.

5805235385809 is a deficient number, since it is larger than the sum of its proper divisors (1).

5805235385809 is an equidigital number, since it uses as much as digits as its factorization.

5805235385809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840000, while the sum is 61.

The spelling of 5805235385809 in words is "five trillion, eight hundred five billion, two hundred thirty-five million, three hundred eighty-five thousand, eight hundred nine".