19034326049 has 2 divisors, whose sum is σ = 19034326050. Its totient is φ = 19034326048.

The previous prime is 19034326033. The next prime is 19034326061. The reversal of 19034326049 is 94062343091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18929632225 + 104693824 = 137585^2 + 10232^2 .

It is a cyclic number.

It is not a de Polignac number, because 19034326049 - 2⁴ = 19034326033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19034325997 and 19034326015.

It is not a weakly prime, because it can be changed into another prime (19034326249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9517163024 + 9517163025.

It is an arithmetic number, because the mean of its divisors is an integer number (9517163025).

Almost surely, 2^19034326049 is an apocalyptic number.

It is an amenable number.

19034326049 is a deficient number, since it is larger than the sum of its proper divisors (1).

19034326049 is an equidigital number, since it uses as much as digits as its factorization.

19034326049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 19034326049 in words is "nineteen billion, thirty-four million, three hundred twenty-six thousand, forty-nine".