19162132193 has 2 divisors, whose sum is σ = 19162132194. Its totient is φ = 19162132192.

The previous prime is 19162132189. The next prime is 19162132217. The reversal of 19162132193 is 39123126191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19123294369 + 38837824 = 138287^2 + 6232^2 .

It is a cyclic number.

It is not a de Polignac number, because 19162132193 - 2² = 19162132189 is a prime.

It is not a weakly prime, because it can be changed into another prime (19162132103) 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, 9581066096 + 9581066097.

It is an arithmetic number, because the mean of its divisors is an integer number (9581066097).

Almost surely, 2^19162132193 is an apocalyptic number.

It is an amenable number.

19162132193 is a deficient number, since it is larger than the sum of its proper divisors (1).

19162132193 is an equidigital number, since it uses as much as digits as its factorization.

19162132193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 38.

The spelling of 19162132193 in words is "nineteen billion, one hundred sixty-two million, one hundred thirty-two thousand, one hundred ninety-three".