5719780817 has 2 divisors, whose sum is σ = 5719780818. Its totient is φ = 5719780816.

The previous prime is 5719780813. The next prime is 5719780853. The reversal of 5719780817 is 7180879175.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5679280321 + 40500496 = 75361^2 + 6364^2 .

It is a cyclic number.

It is not a de Polignac number, because 5719780817 - 2² = 5719780813 is a prime.

It is not a weakly prime, because it can be changed into another prime (5719780813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2859890408 + 2859890409.

It is an arithmetic number, because the mean of its divisors is an integer number (2859890409).

Almost surely, 2^5719780817 is an apocalyptic number.

It is an amenable number.

5719780817 is a deficient number, since it is larger than the sum of its proper divisors (1).

5719780817 is an equidigital number, since it uses as much as digits as its factorization.

5719780817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987840, while the sum is 53.

The square root of 5719780817 is about 75629.2325559370. The cubic root of 5719780817 is about 1788.3799639625.

The spelling of 5719780817 in words is "five billion, seven hundred nineteen million, seven hundred eighty thousand, eight hundred seventeen".