14668147409 has 4 divisors (see below), whose sum is σ = 14669012916. Its totient is φ = 14667281904.

The previous prime is 14668147381. The next prime is 14668147411. The reversal of 14668147409 is 90474186641.

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 446392384 + 14221755025 = 21128^2 + 119255^2 .

It is a cyclic number.

It is not a de Polignac number, because 14668147409 - 2¹⁶ = 14668081873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14668147469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406814 + ... + 441399.

It is an arithmetic number, because the mean of its divisors is an integer number (3667253229).

Almost surely, 2^14668147409 is an apocalyptic number.

It is an amenable number.

14668147409 is a deficient number, since it is larger than the sum of its proper divisors (865507).

14668147409 is an equidigital number, since it uses as much as digits as its factorization.

14668147409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865506.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 14668147409 in words is "fourteen billion, six hundred sixty-eight million, one hundred forty-seven thousand, four hundred nine".