5811409397 has 2 divisors, whose sum is σ = 5811409398. Its totient is φ = 5811409396.

The previous prime is 5811409381. The next prime is 5811409399. The reversal of 5811409397 is 7939041185.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5811165361 + 244036 = 76231^2 + 494^2 .

It is a cyclic number.

It is not a de Polignac number, because 5811409397 - 2⁴ = 5811409381 is a prime.

Together with 5811409399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5811409399) 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, 2905704698 + 2905704699.

It is an arithmetic number, because the mean of its divisors is an integer number (2905704699).

Almost surely, 2^5811409397 is an apocalyptic number.

It is an amenable number.

5811409397 is a deficient number, since it is larger than the sum of its proper divisors (1).

5811409397 is an equidigital number, since it uses as much as digits as its factorization.

5811409397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 5811409397 is about 76232.6006181083. The cubic root of 5811409397 is about 1797.8791272421.

The spelling of 5811409397 in words is "five billion, eight hundred eleven million, four hundred nine thousand, three hundred ninety-seven".