19213204133 has 2 divisors, whose sum is σ = 19213204134. Its totient is φ = 19213204132.

The previous prime is 19213204081. The next prime is 19213204141. The reversal of 19213204133 is 33140231291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17818779169 + 1394424964 = 133487^2 + 37342^2 .

It is a cyclic number.

It is not a de Polignac number, because 19213204133 - 2¹⁰ = 19213203109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19213204096 and 19213204105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19213204163) 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, 9606602066 + 9606602067.

It is an arithmetic number, because the mean of its divisors is an integer number (9606602067).

Almost surely, 2^19213204133 is an apocalyptic number.

It is an amenable number.

19213204133 is a deficient number, since it is larger than the sum of its proper divisors (1).

19213204133 is an equidigital number, since it uses as much as digits as its factorization.

19213204133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 19213204133 in words is "nineteen billion, two hundred thirteen million, two hundred four thousand, one hundred thirty-three".