5709689 has 2 divisors, whose sum is σ = 5709690. Its totient is φ = 5709688.

The previous prime is 5709679. The next prime is 5709719. The reversal of 5709689 is 9869075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5359225 + 350464 = 2315^2 + 592^2 .

It is a cyclic number.

It is not a de Polignac number, because 5709689 - 2²⁰ = 4661113 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5709629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2854844 + 2854845.

It is an arithmetic number, because the mean of its divisors is an integer number (2854845).

Almost surely, 2^5709689 is an apocalyptic number.

It is an amenable number.

5709689 is a deficient number, since it is larger than the sum of its proper divisors (1).

5709689 is an equidigital number, since it uses as much as digits as its factorization.

5709689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 5709689 is about 2389.4955534589. The cubic root of 5709689 is about 178.7327556025.

The spelling of 5709689 in words is "five million, seven hundred nine thousand, six hundred eighty-nine".