13281827818282 has 4 divisors (see below), whose sum is σ = 19922741727426. Its totient is φ = 6640913909140.

The previous prime is 13281827818267. The next prime is 13281827818289. The reversal of 13281827818282 is 28281872818231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12615986506201 + 665841312081 = 3551899^2 + 815991^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13281827818282.

It is not an unprimeable number, because it can be changed into a prime (13281827818289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3320456954569 + ... + 3320456954572.

Almost surely, 2^{13281827818282} is an apocalyptic number.

13281827818282 is a deficient number, since it is larger than the sum of its proper divisors (6640913909144).

13281827818282 is an equidigital number, since it uses as much as digits as its factorization.

13281827818282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6640913909143.

The product of its digits is 11010048, while the sum is 61.

The spelling of 13281827818282 in words is "thirteen trillion, two hundred eighty-one billion, eight hundred twenty-seven million, eight hundred eighteen thousand, two hundred eighty-two".