14469409 has 2 divisors, whose sum is σ = 14469410. Its totient is φ = 14469408.

The previous prime is 14469401. The next prime is 14469421. The reversal of 14469409 is 90496441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14085009 + 384400 = 3753^2 + 620^2 .

It is a cyclic number.

It is not a de Polignac number, because 14469409 - 2³ = 14469401 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (14469401) 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, 7234704 + 7234705.

It is an arithmetic number, because the mean of its divisors is an integer number (7234705).

Almost surely, 2^14469409 is an apocalyptic number.

It is an amenable number.

14469409 is a deficient number, since it is larger than the sum of its proper divisors (1).

14469409 is an equidigital number, since it uses as much as digits as its factorization.

14469409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 14469409 is about 3803.8676370242. The cubic root of 14469409 is about 243.6783419427.

It can be divided in two parts, 14469 and 409, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 14469409 in words is "fourteen million, four hundred sixty-nine thousand, four hundred nine".