14443015872809 has 2 divisors, whose sum is σ = 14443015872810. Its totient is φ = 14443015872808.

The previous prime is 14443015872781. The next prime is 14443015872853. The reversal of 14443015872809 is 90827851034441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13738490663209 + 704525209600 = 3706547^2 + 839360^2 .

It is a cyclic number.

It is not a de Polignac number, because 14443015872809 - 2⁸ = 14443015872553 is a prime.

It is not a weakly prime, because it can be changed into another prime (14443015872899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7221507936404 + 7221507936405.

It is an arithmetic number, because the mean of its divisors is an integer number (7221507936405).

Almost surely, 2^{14443015872809} is an apocalyptic number.

It is an amenable number.

14443015872809 is a deficient number, since it is larger than the sum of its proper divisors (1).

14443015872809 is an equidigital number, since it uses as much as digits as its factorization.

14443015872809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 14443015872809 in words is "fourteen trillion, four hundred forty-three billion, fifteen million, eight hundred seventy-two thousand, eight hundred nine".