10169909 has 2 divisors, whose sum is σ = 10169910. Its totient is φ = 10169908.

The previous prime is 10169903. The next prime is 10169963. The reversal of 10169909 is 90996101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10099684 + 70225 = 3178^2 + 265^2 .

It is a cyclic number.

It is not a de Polignac number, because 10169909 - 2¹⁶ = 10104373 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10169903) 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, 5084954 + 5084955.

It is an arithmetic number, because the mean of its divisors is an integer number (5084955).

Almost surely, 2^10169909 is an apocalyptic number.

It is an amenable number.

10169909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10169909 is an equidigital number, since it uses as much as digits as its factorization.

10169909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 35.

The square root of 10169909 is about 3189.0294761886. The cubic root of 10169909 is about 216.6568155942.

The spelling of 10169909 in words is "ten million, one hundred sixty-nine thousand, nine hundred nine".