10409109 has 4 divisors (see below), whose sum is σ = 13878816. Its totient is φ = 6939404.

The previous prime is 10409107. The next prime is 10409141. The reversal of 10409109 is 90190401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10409109 - 2¹ = 10409107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10409107) 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 in 3 ways as a sum of consecutive naturals, for example, 1734849 + ... + 1734854.

It is an arithmetic number, because the mean of its divisors is an integer number (3469704).

Almost surely, 2^10409109 is an apocalyptic number.

It is an amenable number.

10409109 is a deficient number, since it is larger than the sum of its proper divisors (3469707).

10409109 is an equidigital number, since it uses as much as digits as its factorization.

10409109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469706.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 10409109 is about 3226.3150807074. The cubic root of 10409109 is about 218.3422855655.

The spelling of 10409109 in words is "ten million, four hundred nine thousand, one hundred nine".