13373856109903 has 2 divisors, whose sum is σ = 13373856109904. Its totient is φ = 13373856109902.

The previous prime is 13373856109883. The next prime is 13373856109987. The reversal of 13373856109903 is 30990165837331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13373856109903 - 2⁹ = 13373856109391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13373856109303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6686928054951 + 6686928054952.

It is an arithmetic number, because the mean of its divisors is an integer number (6686928054952).

Almost surely, 2^{13373856109903} is an apocalyptic number.

13373856109903 is a deficient number, since it is larger than the sum of its proper divisors (1).

13373856109903 is an equidigital number, since it uses as much as digits as its factorization.

13373856109903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11022480, while the sum is 58.

The spelling of 13373856109903 in words is "thirteen trillion, three hundred seventy-three billion, eight hundred fifty-six million, one hundred nine thousand, nine hundred three".