5706126809 has 2 divisors, whose sum is σ = 5706126810. Its totient is φ = 5706126808.

The previous prime is 5706126733. The next prime is 5706126841. The reversal of 5706126809 is 9086216075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4038221209 + 1667905600 = 63547^2 + 40840^2 .

It is a cyclic number.

It is not a de Polignac number, because 5706126809 - 2⁸ = 5706126553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5706126809.

It is not a weakly prime, because it can be changed into another prime (5706126859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2853063404 + 2853063405.

It is an arithmetic number, because the mean of its divisors is an integer number (2853063405).

Almost surely, 2^5706126809 is an apocalyptic number.

It is an amenable number.

5706126809 is a deficient number, since it is larger than the sum of its proper divisors (1).

5706126809 is an equidigital number, since it uses as much as digits as its factorization.

5706126809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 5706126809 is about 75538.9092388817. The cubic root of 5706126809 is about 1786.9557829071.

The spelling of 5706126809 in words is "five billion, seven hundred six million, one hundred twenty-six thousand, eight hundred nine".