13198478903 has 2 divisors, whose sum is σ = 13198478904. Its totient is φ = 13198478902.

The previous prime is 13198478863. The next prime is 13198478971. The reversal of 13198478903 is 30987489131.

13198478903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (30987489131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13198478903 - 2¹⁰ = 13198477879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13198478203) 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, 6599239451 + 6599239452.

It is an arithmetic number, because the mean of its divisors is an integer number (6599239452).

Almost surely, 2^13198478903 is an apocalyptic number.

13198478903 is a deficient number, since it is larger than the sum of its proper divisors (1).

13198478903 is an equidigital number, since it uses as much as digits as its factorization.

13198478903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 13198478903 in words is "thirteen billion, one hundred ninety-eight million, four hundred seventy-eight thousand, nine hundred three".