196819750194673 has 2 divisors, whose sum is σ = 196819750194674. Its totient is φ = 196819750194672.

The previous prime is 196819750194671. The next prime is 196819750194733. The reversal of 196819750194673 is 376491057918691.

196819750194673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142397157248784 + 54422592945889 = 11933028^2 + 7377167^2 .

It is a cyclic number.

It is not a de Polignac number, because 196819750194673 - 2¹ = 196819750194671 is a prime.

Together with 196819750194671, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 196819750194673.

It is not a weakly prime, because it can be changed into another prime (196819750194671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98409875097336 + 98409875097337.

It is an arithmetic number, because the mean of its divisors is an integer number (98409875097337).

Almost surely, 2^{196819750194673} is an apocalyptic number.

It is an amenable number.

196819750194673 is a deficient number, since it is larger than the sum of its proper divisors (1).

196819750194673 is an equidigital number, since it uses as much as digits as its factorization.

196819750194673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 617258880, while the sum is 76.

The spelling of 196819750194673 in words is "one hundred ninety-six trillion, eight hundred nineteen billion, seven hundred fifty million, one hundred ninety-four thousand, six hundred seventy-three".