5811409399 has 2 divisors, whose sum is σ = 5811409400. Its totient is φ = 5811409398.

The previous prime is 5811409397. The next prime is 5811409411. The reversal of 5811409399 is 9939041185.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5811409399 - 2¹ = 5811409397 is a prime.

Together with 5811409397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5811409397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2905704699 + 2905704700.

It is an arithmetic number, because the mean of its divisors is an integer number (2905704700).

Almost surely, 2^5811409399 is an apocalyptic number.

5811409399 is a deficient number, since it is larger than the sum of its proper divisors (1).

5811409399 is an equidigital number, since it uses as much as digits as its factorization.

5811409399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 49.

The square root of 5811409399 is about 76232.6006312260. The cubic root of 5811409399 is about 1797.8791274483.

The spelling of 5811409399 in words is "five billion, eight hundred eleven million, four hundred nine thousand, three hundred ninety-nine".