13933334665 has 4 divisors (see below), whose sum is σ = 16720001604. Its totient is φ = 11146667728.

The previous prime is 13933334651. The next prime is 13933334687. The reversal of 13933334665 is 56643333931.

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 9163084176 + 4770250489 = 95724^2 + 69067^2 .

It is a cyclic number.

It is not a de Polignac number, because 13933334665 - 2⁵ = 13933334633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 1393333462 + ... + 1393333471.

It is an arithmetic number, because the mean of its divisors is an integer number (4180000401).

Almost surely, 2^13933334665 is an apocalyptic number.

It is an amenable number.

13933334665 is a deficient number, since it is larger than the sum of its proper divisors (2786666939).

13933334665 is an equidigital number, since it uses as much as digits as its factorization.

13933334665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786666938.

The product of its digits is 1574640, while the sum is 46.

The spelling of 13933334665 in words is "thirteen billion, nine hundred thirty-three million, three hundred thirty-four thousand, six hundred sixty-five".