14287703909 has 4 divisors (see below), whose sum is σ = 14288625516. Its totient is φ = 14286782304.

The previous prime is 14287703879. The next prime is 14287703917. The reversal of 14287703909 is 90930778241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10406040100 + 3881663809 = 102010^2 + 62303^2 .

It is a cyclic number.

It is not a de Polignac number, because 14287703909 - 2⁸ = 14287703653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14287703939) 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 in 3 ways as a sum of consecutive naturals, for example, 437144 + ... + 468689.

It is an arithmetic number, because the mean of its divisors is an integer number (3572156379).

Almost surely, 2^14287703909 is an apocalyptic number.

It is an amenable number.

14287703909 is a deficient number, since it is larger than the sum of its proper divisors (921607).

14287703909 is an equidigital number, since it uses as much as digits as its factorization.

14287703909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921606.

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 14287703909 in words is "fourteen billion, two hundred eighty-seven million, seven hundred three thousand, nine hundred nine".