13813478334368 has 12 divisors (see below), whose sum is σ = 27195285470850. Its totient is φ = 6906739167168.

The previous prime is 13813478334353. The next prime is 13813478334371. The reversal of 13813478334368 is 86343387431831.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8839989596944 + 4973488737424 = 2973212^2 + 2230132^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13813478334368.

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 as a sum of consecutive naturals, namely, 215835598943 + ... + 215835599006.

Almost surely, 2^{13813478334368} is an apocalyptic number.

It is an amenable number.

13813478334368 is a deficient number, since it is larger than the sum of its proper divisors (13381807136482).

13813478334368 is an equidigital number, since it uses as much as digits as its factorization.

13813478334368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431671197959 (or 431671197951 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 62.

The spelling of 13813478334368 in words is "thirteen trillion, eight hundred thirteen billion, four hundred seventy-eight million, three hundred thirty-four thousand, three hundred sixty-eight".