5309568109 has 2 divisors, whose sum is σ = 5309568110. Its totient is φ = 5309568108.

The previous prime is 5309568071. The next prime is 5309568133. The reversal of 5309568109 is 9018659035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4286975625 + 1022592484 = 65475^2 + 31978^2 .

It is a cyclic number.

It is not a de Polignac number, because 5309568109 - 2⁹ = 5309567597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5309568139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2654784054 + 2654784055.

It is an arithmetic number, because the mean of its divisors is an integer number (2654784055).

Almost surely, 2^5309568109 is an apocalyptic number.

It is an amenable number.

5309568109 is a deficient number, since it is larger than the sum of its proper divisors (1).

5309568109 is an equidigital number, since it uses as much as digits as its factorization.

5309568109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 46.

The square root of 5309568109 is about 72866.7833035053. The cubic root of 5309568109 is about 1744.5619608598.

The spelling of 5309568109 in words is "five billion, three hundred nine million, five hundred sixty-eight thousand, one hundred nine".