196211963573 has 2 divisors, whose sum is σ = 196211963574. Its totient is φ = 196211963572.

The previous prime is 196211963543. The next prime is 196211963581. The reversal of 196211963573 is 375369112691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106629677764 + 89582285809 = 326542^2 + 299303^2 .

It is a cyclic number.

It is not a de Polignac number, because 196211963573 - 2⁸ = 196211963317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196211963543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98105981786 + 98105981787.

It is an arithmetic number, because the mean of its divisors is an integer number (98105981787).

Almost surely, 2^196211963573 is an apocalyptic number.

It is an amenable number.

196211963573 is a deficient number, since it is larger than the sum of its proper divisors (1).

196211963573 is an equidigital number, since it uses as much as digits as its factorization.

196211963573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1837080, while the sum is 53.

The spelling of 196211963573 in words is "one hundred ninety-six billion, two hundred eleven million, nine hundred sixty-three thousand, five hundred seventy-three".