14749309 has 2 divisors, whose sum is σ = 14749310. Its totient is φ = 14749308.

The previous prime is 14749307. The next prime is 14749331. The reversal of 14749309 is 90394741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9922500 + 4826809 = 3150^2 + 2197^2 .

It is a cyclic number.

It is not a de Polignac number, because 14749309 - 2¹ = 14749307 is a prime.

Together with 14749307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14749307) 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, 7374654 + 7374655.

It is an arithmetic number, because the mean of its divisors is an integer number (7374655).

Almost surely, 2^14749309 is an apocalyptic number.

It is an amenable number.

14749309 is a deficient number, since it is larger than the sum of its proper divisors (1).

14749309 is an equidigital number, since it uses as much as digits as its factorization.

14749309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 14749309 is about 3840.4829123432. The cubic root of 14749309 is about 245.2395768397.

The spelling of 14749309 in words is "fourteen million, seven hundred forty-nine thousand, three hundred nine".