13188216918243 has 8 divisors (see below), whose sum is σ = 18618659178768. Its totient is φ = 8274959634944.

The previous prime is 13188216918221. The next prime is 13188216918259. The reversal of 13188216918243 is 34281961288131.

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

It is a cyclic number.

It is not a de Polignac number, because 13188216918243 - 2⁵ = 13188216918211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13188216918203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129296244246 + ... + 129296244347.

It is an arithmetic number, because the mean of its divisors is an integer number (2327332397346).

Almost surely, 2^{13188216918243} is an apocalyptic number.

13188216918243 is a deficient number, since it is larger than the sum of its proper divisors (5430442260525).

13188216918243 is a wasteful number, since it uses less digits than its factorization.

13188216918243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258592488613.

The product of its digits is 3981312, while the sum is 57.

The spelling of 13188216918243 in words is "thirteen trillion, one hundred eighty-eight billion, two hundred sixteen million, nine hundred eighteen thousand, two hundred forty-three".