11409169 has 2 divisors, whose sum is σ = 11409170. Its totient is φ = 11409168.

The previous prime is 11409161. The next prime is 11409191. The reversal of 11409169 is 96190411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8643600 + 2765569 = 2940^2 + 1663^2 .

It is a cyclic number.

It is not a de Polignac number, because 11409169 - 2³ = 11409161 is a prime.

It is a super-2 number, since 2×11409169² = 260338274541122, which contains 22 as substring.

It is equal to p₇₅₁₆₉₃ and since 11409169 and 751693 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11409169.

It is not a weakly prime, because it can be changed into another prime (11409161) 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, 5704584 + 5704585.

It is an arithmetic number, because the mean of its divisors is an integer number (5704585).

Almost surely, 2^11409169 is an apocalyptic number.

It is an amenable number.

11409169 is a deficient number, since it is larger than the sum of its proper divisors (1).

11409169 is an equidigital number, since it uses as much as digits as its factorization.

11409169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 11409169 is about 3377.7461420302. The cubic root of 11409169 is about 225.1220342113.

The spelling of 11409169 in words is "eleven million, four hundred nine thousand, one hundred sixty-nine".