13868906083969 has 4 divisors (see below), whose sum is σ = 13868930305540. Its totient is φ = 13868881862400.

The previous prime is 13868906083853. The next prime is 13868906084017. The reversal of 13868906083969 is 96938060986831.

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 336168040000 + 13532738043969 = 579800^2 + 3678687^2 .

It is a cyclic number.

It is not a de Polignac number, because 13868906083969 - 2⁹ = 13868906083457 is a prime.

It is a super-2 number, since 2×13868906083969² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13868906083895 and 13868906083904.

It is not an unprimeable number, because it can be changed into a prime (13868906023969) 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, 11230584 + ... + 12404185.

It is an arithmetic number, because the mean of its divisors is an integer number (3467232576385).

Almost surely, 2^{13868906083969} is an apocalyptic number.

It is an amenable number.

13868906083969 is a deficient number, since it is larger than the sum of its proper divisors (24221571).

13868906083969 is an equidigital number, since it uses as much as digits as its factorization.

13868906083969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24221570.

The product of its (nonzero) digits is 725594112, while the sum is 76.

The spelling of 13868906083969 in words is "thirteen trillion, eight hundred sixty-eight billion, nine hundred six million, eighty-three thousand, nine hundred sixty-nine".