14665199999 has 4 divisors (see below), whose sum is σ = 14665975680. Its totient is φ = 14664424320.

The previous prime is 14665199963. The next prime is 14665200001. The reversal of 14665199999 is 99999156641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99999156641 = 8209 ⋅12181649.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14665199999 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 (14665199909) 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, 358754 + ... + 397535.

It is an arithmetic number, because the mean of its divisors is an integer number (3666493920).

Almost surely, 2^14665199999 is an apocalyptic number.

14665199999 is a deficient number, since it is larger than the sum of its proper divisors (775681).

14665199999 is an equidigital number, since it uses as much as digits as its factorization.

14665199999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775680.

The product of its digits is 42515280, while the sum is 68.

The spelling of 14665199999 in words is "fourteen billion, six hundred sixty-five million, one hundred ninety-nine thousand, nine hundred ninety-nine".