13403866518803 has 2 divisors, whose sum is σ = 13403866518804. Its totient is φ = 13403866518802.

The previous prime is 13403866518773. The next prime is 13403866518907. The reversal of 13403866518803 is 30881566830431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13403866518803 - 2¹⁶ = 13403866453267 is a prime.

It is not a weakly prime, because it can be changed into another prime (13403866517803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6701933259401 + 6701933259402.

It is an arithmetic number, because the mean of its divisors is an integer number (6701933259402).

Almost surely, 2^{13403866518803} is an apocalyptic number.

13403866518803 is a deficient number, since it is larger than the sum of its proper divisors (1).

13403866518803 is an equidigital number, since it uses as much as digits as its factorization.

13403866518803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 13403866518803 in words is "thirteen trillion, four hundred three billion, eight hundred sixty-six million, five hundred eighteen thousand, eight hundred three".