11609449 has 2 divisors, whose sum is σ = 11609450. Its totient is φ = 11609448.

The previous prime is 11609417. The next prime is 11609473. The reversal of 11609449 is 94490611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8369449 + 3240000 = 2893^2 + 1800^2 .

It is a cyclic number.

It is not a de Polignac number, because 11609449 - 2⁵ = 11609417 is a prime.

It is not a weakly prime, because it can be changed into another prime (11601449) 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, 5804724 + 5804725.

It is an arithmetic number, because the mean of its divisors is an integer number (5804725).

Almost surely, 2^11609449 is an apocalyptic number.

It is an amenable number.

11609449 is a deficient number, since it is larger than the sum of its proper divisors (1).

11609449 is an equidigital number, since it uses as much as digits as its factorization.

11609449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 11609449 is about 3407.2641517793. The cubic root of 11609449 is about 226.4316872349.

It can be divided in two parts, 1160 and 9449, that added together give a square (10609 = 103²).

The spelling of 11609449 in words is "eleven million, six hundred nine thousand, four hundred forty-nine".