5009729 has 2 divisors, whose sum is σ = 5009730. Its totient is φ = 5009728.

The previous prime is 5009723. The next prime is 5009737. The reversal of 5009729 is 9279005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4739329 + 270400 = 2177^2 + 520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5009729 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5009695 and 5009704.

It is not a weakly prime, because it can be changed into another prime (5009723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2504864 + 2504865.

It is an arithmetic number, because the mean of its divisors is an integer number (2504865).

Almost surely, 2^5009729 is an apocalyptic number.

It is an amenable number.

5009729 is a deficient number, since it is larger than the sum of its proper divisors (1).

5009729 is an equidigital number, since it uses as much as digits as its factorization.

5009729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 5009729 is about 2238.2423908058. The cubic root of 5009729 is about 171.1084318496.

The spelling of 5009729 in words is "five million, nine thousand, seven hundred twenty-nine".