13068868477922 has 8 divisors (see below), whose sum is σ = 19612851336156. Its totient is φ = 6531251365872.

The previous prime is 13068868477877. The next prime is 13068868477943. The reversal of 13068868477922 is 22977486886031.

It is a Cunningham number, because it is equal to 3615089²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 13068868477921 + 1 = 3615089^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1591431413 + ... + 1591439624.

Almost surely, 2^{13068868477922} is an apocalyptic number.

13068868477922 is a deficient number, since it is larger than the sum of its proper divisors (6543982858234).

13068868477922 is a wasteful number, since it uses less digits than its factorization.

13068868477922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182873092.

The product of its (nonzero) digits is 390168576, while the sum is 71.

The spelling of 13068868477922 in words is "thirteen trillion, sixty-eight billion, eight hundred sixty-eight million, four hundred seventy-seven thousand, nine hundred twenty-two".