13826823173705 has 16 divisors (see below), whose sum is σ = 16825429161984. Its totient is φ = 10907032993920.

The previous prime is 13826823173701. The next prime is 13826823173831. The reversal of 13826823173705 is 50737132862831.

It is not a de Polignac number, because 13826823173705 - 2² = 13826823173701 is a prime.

It is a Smith number, since the sum of its digits (56) 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 not an unprimeable number, because it can be changed into a prime (13826823173701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66689516 + ... + 66896525.

It is an arithmetic number, because the mean of its divisors is an integer number (1051589322624).

Almost surely, 2^{13826823173705} is an apocalyptic number.

It is an amenable number.

13826823173705 is a deficient number, since it is larger than the sum of its proper divisors (2998605988279).

13826823173705 is a wasteful number, since it uses less digits than its factorization.

13826823173705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133586336.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 13826823173705 in words is "thirteen trillion, eight hundred twenty-six billion, eight hundred twenty-three million, one hundred seventy-three thousand, seven hundred five".