19497933163 has 2 divisors, whose sum is σ = 19497933164. Its totient is φ = 19497933162.

The previous prime is 19497933157. The next prime is 19497933229. The reversal of 19497933163 is 36133979491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19497933163 - 2³³ = 10907998571 is a prime.

It is not a weakly prime, because it can be changed into another prime (19497933113) 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, 9748966581 + 9748966582.

It is an arithmetic number, because the mean of its divisors is an integer number (9748966582).

Almost surely, 2^19497933163 is an apocalyptic number.

19497933163 is a deficient number, since it is larger than the sum of its proper divisors (1).

19497933163 is an equidigital number, since it uses as much as digits as its factorization.

19497933163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3306744, while the sum is 55.

The spelling of 19497933163 in words is "nineteen billion, four hundred ninety-seven million, nine hundred thirty-three thousand, one hundred sixty-three".