10146809 has 2 divisors, whose sum is σ = 10146810. Its totient is φ = 10146808.

The previous prime is 10146793. The next prime is 10146847. The reversal of 10146809 is 90864101.

10146809 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7812025 + 2334784 = 2795^2 + 1528^2 .

It is a cyclic number.

It is not a de Polignac number, because 10146809 - 2⁴ = 10146793 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10142809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5073404 + 5073405.

It is an arithmetic number, because the mean of its divisors is an integer number (5073405).

Almost surely, 2^10146809 is an apocalyptic number.

It is an amenable number.

10146809 is a deficient number, since it is larger than the sum of its proper divisors (1).

10146809 is an equidigital number, since it uses as much as digits as its factorization.

10146809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 10146809 is about 3185.4056256621. The cubic root of 10146809 is about 216.4926526530.

The spelling of 10146809 in words is "ten million, one hundred forty-six thousand, eight hundred nine".