19209422203 has 2 divisors, whose sum is σ = 19209422204. Its totient is φ = 19209422202.

The previous prime is 19209422191. The next prime is 19209422209. The reversal of 19209422203 is 30222490291.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19209422203 - 2⁵ = 19209422171 is a prime.

It is not a weakly prime, because it can be changed into another prime (19209422209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9604711101 + 9604711102.

It is an arithmetic number, because the mean of its divisors is an integer number (9604711102).

Almost surely, 2^19209422203 is an apocalyptic number.

19209422203 is a deficient number, since it is larger than the sum of its proper divisors (1).

19209422203 is an equidigital number, since it uses as much as digits as its factorization.

19209422203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 19209422203 in words is "nineteen billion, two hundred nine million, four hundred twenty-two thousand, two hundred three".