5717023309 has 2 divisors, whose sum is σ = 5717023310. Its totient is φ = 5717023308.

The previous prime is 5717023307. The next prime is 5717023327. The reversal of 5717023309 is 9033207175.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3054772900 + 2662250409 = 55270^2 + 51597^2 .

It is a cyclic number.

It is not a de Polignac number, because 5717023309 - 2¹ = 5717023307 is a prime.

Together with 5717023307, 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 (5717023303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2858511654 + 2858511655.

It is an arithmetic number, because the mean of its divisors is an integer number (2858511655).

Almost surely, 2^5717023309 is an apocalyptic number.

It is an amenable number.

5717023309 is a deficient number, since it is larger than the sum of its proper divisors (1).

5717023309 is an equidigital number, since it uses as much as digits as its factorization.

5717023309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 5717023309 is about 75610.9999206465. Note that the first 4 decimals coincide. The cubic root of 5717023309 is about 1788.0925249320.

The spelling of 5717023309 in words is "five billion, seven hundred seventeen million, twenty-three thousand, three hundred nine".