13918109203 has 2 divisors, whose sum is σ = 13918109204. Its totient is φ = 13918109202.

The previous prime is 13918109173. The next prime is 13918109207. The reversal of 13918109203 is 30290181931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13918109203 - 2⁹ = 13918108691 is a prime.

It is not a weakly prime, because it can be changed into another prime (13918109207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6959054601 + 6959054602.

It is an arithmetic number, because the mean of its divisors is an integer number (6959054602).

Almost surely, 2^13918109203 is an apocalyptic number.

13918109203 is a deficient number, since it is larger than the sum of its proper divisors (1).

13918109203 is an equidigital number, since it uses as much as digits as its factorization.

13918109203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 13918109203 in words is "thirteen billion, nine hundred eighteen million, one hundred nine thousand, two hundred three".