10809829 has 2 divisors, whose sum is σ = 10809830. Its totient is φ = 10809828.

The previous prime is 10809823. The next prime is 10809853. The reversal of 10809829 is 92890801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6749604 + 4060225 = 2598^2 + 2015^2 .

It is a cyclic number.

It is not a de Polignac number, because 10809829 - 2¹⁵ = 10777061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10809823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5404914 + 5404915.

It is an arithmetic number, because the mean of its divisors is an integer number (5404915).

Almost surely, 2^10809829 is an apocalyptic number.

It is an amenable number.

10809829 is a deficient number, since it is larger than the sum of its proper divisors (1).

10809829 is an equidigital number, since it uses as much as digits as its factorization.

10809829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 10809829 is about 3287.8304396669. The cubic root of 10809829 is about 221.1089257818.

The spelling of 10809829 in words is "ten million, eight hundred nine thousand, eight hundred twenty-nine".