10859909 has 2 divisors, whose sum is σ = 10859910. Its totient is φ = 10859908.

The previous prime is 10859903. The next prime is 10859911. The reversal of 10859909 is 90995801.

10859909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9746884 + 1113025 = 3122^2 + 1055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10859909 is a prime.

Together with 10859911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10859903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5429954 + 5429955.

It is an arithmetic number, because the mean of its divisors is an integer number (5429955).

Almost surely, 2^10859909 is an apocalyptic number.

It is an amenable number.

10859909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10859909 is an equidigital number, since it uses as much as digits as its factorization.

10859909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 10859909 is about 3295.4376037182. The cubic root of 10859909 is about 221.4498525109.

The spelling of 10859909 in words is "ten million, eight hundred fifty-nine thousand, nine hundred nine".