14315513665 has 4 divisors (see below), whose sum is σ = 17178616404. Its totient is φ = 11452410928.

The previous prime is 14315513647. The next prime is 14315513683. The reversal of 14315513665 is 56631551341.

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

It is an interprime number because it is at equal distance from previous prime (14315513647) and next prime (14315513683).

It can be written as a sum of positive squares in 2 ways, for example, as 11383182864 + 2932330801 = 106692^2 + 54151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14315513665 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431551362 + ... + 1431551371.

It is an arithmetic number, because the mean of its divisors is an integer number (4294654101).

Almost surely, 2^14315513665 is an apocalyptic number.

It is an amenable number.

14315513665 is a deficient number, since it is larger than the sum of its proper divisors (2863102739).

14315513665 is an equidigital number, since it uses as much as digits as its factorization.

14315513665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863102738.

The product of its digits is 162000, while the sum is 40.

The spelling of 14315513665 in words is "fourteen billion, three hundred fifteen million, five hundred thirteen thousand, six hundred sixty-five".