5811866873 has 2 divisors, whose sum is σ = 5811866874. Its totient is φ = 5811866872.

The previous prime is 5811866861. The next prime is 5811866897. The reversal of 5811866873 is 3786681185.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5445259264 + 366607609 = 73792^2 + 19147^2 .

It is a cyclic number.

It is not a de Polignac number, because 5811866873 - 2¹⁰ = 5811865849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5811866833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2905933436 + 2905933437.

It is an arithmetic number, because the mean of its divisors is an integer number (2905933437).

Almost surely, 2^5811866873 is an apocalyptic number.

It is an amenable number.

5811866873 is a deficient number, since it is larger than the sum of its proper divisors (1).

5811866873 is an equidigital number, since it uses as much as digits as its factorization.

5811866873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 53.

The square root of 5811866873 is about 76235.6010863691. The cubic root of 5811866873 is about 1797.9263025435.

The spelling of 5811866873 in words is "five billion, eight hundred eleven million, eight hundred sixty-six thousand, eight hundred seventy-three".