5686382809 has 2 divisors, whose sum is σ = 5686382810. Its totient is φ = 5686382808.

The previous prime is 5686382797. The next prime is 5686382813. The reversal of 5686382809 is 9082836865.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5546078784 + 140304025 = 74472^2 + 11845^2 .

It is a cyclic number.

It is not a de Polignac number, because 5686382809 - 2¹¹ = 5686380761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5686382809.

It is not a weakly prime, because it can be changed into another prime (5686382609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2843191404 + 2843191405.

It is an arithmetic number, because the mean of its divisors is an integer number (2843191405).

Almost surely, 2^5686382809 is an apocalyptic number.

It is an amenable number.

5686382809 is a deficient number, since it is larger than the sum of its proper divisors (1).

5686382809 is an equidigital number, since it uses as much as digits as its factorization.

5686382809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The square root of 5686382809 is about 75408.1083770174. The cubic root of 5686382809 is about 1784.8923618554.

The spelling of 5686382809 in words is "five billion, six hundred eighty-six million, three hundred eighty-two thousand, eight hundred nine".