14644709 has 2 divisors, whose sum is σ = 14644710. Its totient is φ = 14644708.

The previous prime is 14644699. The next prime is 14644717. The reversal of 14644709 is 90744641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11764900 + 2879809 = 3430^2 + 1697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14644709 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14644759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7322354 + 7322355.

It is an arithmetic number, because the mean of its divisors is an integer number (7322355).

Almost surely, 2^14644709 is an apocalyptic number.

It is an amenable number.

14644709 is a deficient number, since it is larger than the sum of its proper divisors (1).

14644709 is an equidigital number, since it uses as much as digits as its factorization.

14644709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 14644709 is about 3826.8406028995. The cubic root of 14644709 is about 244.6584662253.

The spelling of 14644709 in words is "fourteen million, six hundred forty-four thousand, seven hundred nine".