14347451809 has 4 divisors (see below), whose sum is σ = 14697389700. Its totient is φ = 13997513920.

The previous prime is 14347451771. The next prime is 14347451813. The reversal of 14347451809 is 90815474341.

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 5892097600 + 8455354209 = 76760^2 + 91953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14347451809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14347451849) 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, 174968884 + ... + 174968965.

It is an arithmetic number, because the mean of its divisors is an integer number (3674347425).

Almost surely, 2^14347451809 is an apocalyptic number.

It is an amenable number.

14347451809 is a deficient number, since it is larger than the sum of its proper divisors (349937891).

14347451809 is an equidigital number, since it uses as much as digits as its factorization.

14347451809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349937890.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 14347451809 in words is "fourteen billion, three hundred forty-seven million, four hundred fifty-one thousand, eight hundred nine".