5819005861 has 2 divisors, whose sum is σ = 5819005862. Its totient is φ = 5819005860.

The previous prime is 5819005793. The next prime is 5819005867. The reversal of 5819005861 is 1685009185.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5036740900 + 782264961 = 70970^2 + 27969^2 .

It is a cyclic number.

It is not a de Polignac number, because 5819005861 - 2⁹ = 5819005349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5819005867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2909502930 + 2909502931.

It is an arithmetic number, because the mean of its divisors is an integer number (2909502931).

Almost surely, 2^5819005861 is an apocalyptic number.

It is an amenable number.

5819005861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5819005861 is an equidigital number, since it uses as much as digits as its factorization.

5819005861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 43.

The square root of 5819005861 is about 76282.4085946426. The cubic root of 5819005861 is about 1798.6621603286.

The spelling of 5819005861 in words is "five billion, eight hundred nineteen million, five thousand, eight hundred sixty-one".