10809893 has 2 divisors, whose sum is σ = 10809894. Its totient is φ = 10809892.

The previous prime is 10809881. The next prime is 10809923. The reversal of 10809893 is 39890801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10452289 + 357604 = 3233^2 + 598^2 .

It is an emirp because it is prime and its reverse (39890801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10809893 - 2⁶ = 10809829 is a 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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5404946 + 5404947.

It is an arithmetic number, because the mean of its divisors is an integer number (5404947).

Almost surely, 2^10809893 is an apocalyptic number.

It is an amenable number.

10809893 is a deficient number, since it is larger than the sum of its proper divisors (1).

10809893 is an equidigital number, since it uses as much as digits as its factorization.

10809893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 10809893 is about 3287.8401725145. The cubic root of 10809893 is about 221.1093621422.

The spelling of 10809893 in words is "ten million, eight hundred nine thousand, eight hundred ninety-three".