14427287209 has 2 divisors, whose sum is σ = 14427287210. Its totient is φ = 14427287208.

The previous prime is 14427287089. The next prime is 14427287213. The reversal of 14427287209 is 90278272441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7911568809 + 6515718400 = 88947^2 + 80720^2 .

It is a cyclic number.

It is not a de Polignac number, because 14427287209 - 2¹⁵ = 14427254441 is a prime.

It is not a weakly prime, because it can be changed into another prime (14427287509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7213643604 + 7213643605.

It is an arithmetic number, because the mean of its divisors is an integer number (7213643605).

Almost surely, 2^14427287209 is an apocalyptic number.

It is an amenable number.

14427287209 is a deficient number, since it is larger than the sum of its proper divisors (1).

14427287209 is an equidigital number, since it uses as much as digits as its factorization.

14427287209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 14427287209 in words is "fourteen billion, four hundred twenty-seven million, two hundred eighty-seven thousand, two hundred nine".