14437782809 has 2 divisors, whose sum is σ = 14437782810. Its totient is φ = 14437782808.

The previous prime is 14437782803. The next prime is 14437782857. The reversal of 14437782809 is 90828773441.

14437782809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10439117584 + 3998665225 = 102172^2 + 63235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14437782809 is a prime.

It is not a weakly prime, because it can be changed into another prime (14437782803) 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, 7218891404 + 7218891405.

It is an arithmetic number, because the mean of its divisors is an integer number (7218891405).

Almost surely, 2^14437782809 is an apocalyptic number.

It is an amenable number.

14437782809 is a deficient number, since it is larger than the sum of its proper divisors (1).

14437782809 is an equidigital number, since it uses as much as digits as its factorization.

14437782809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 14437782809 in words is "fourteen billion, four hundred thirty-seven million, seven hundred eighty-two thousand, eight hundred nine".