5811803819 has 2 divisors, whose sum is σ = 5811803820. Its totient is φ = 5811803818.

The previous prime is 5811803797. The next prime is 5811803861. The reversal of 5811803819 is 9183081185.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5811803819 is a prime.

It is a super-2 number, since 2×5811803819² = 67554127261085969522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5811803819.

It is not a weakly prime, because it can be changed into another prime (5811803219) 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, 2905901909 + 2905901910.

It is an arithmetic number, because the mean of its divisors is an integer number (2905901910).

Almost surely, 2^5811803819 is an apocalyptic number.

5811803819 is a deficient number, since it is larger than the sum of its proper divisors (1).

5811803819 is an equidigital number, since it uses as much as digits as its factorization.

5811803819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 44.

The square root of 5811803819 is about 76235.1875383015. The cubic root of 5811803819 is about 1797.9198005103.

The spelling of 5811803819 in words is "five billion, eight hundred eleven million, eight hundred three thousand, eight hundred nineteen".