13403866821082 has 8 divisors (see below), whose sum is σ = 20596185603252. Its totient is φ = 6538471620000.

The previous prime is 13403866821073. The next prime is 13403866821089. The reversal of 13403866821082 is 28012866830431.

It can be written as a sum of positive squares in 2 ways, for example, as 9854708486841 + 3549158334241 = 3139221^2 + 1883921^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13403866821089) 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, 81730895169 + ... + 81730895332.

Almost surely, 2^{13403866821082} is an apocalyptic number.

13403866821082 is a deficient number, since it is larger than the sum of its proper divisors (7192318782170).

13403866821082 is a wasteful number, since it uses less digits than its factorization.

13403866821082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163461790544.

The product of its (nonzero) digits is 2654208, while the sum is 52.

The spelling of 13403866821082 in words is "thirteen trillion, four hundred three billion, eight hundred sixty-six million, eight hundred twenty-one thousand, eighty-two".