195394097201 has 2 divisors, whose sum is σ = 195394097202. Its totient is φ = 195394097200.

The previous prime is 195394097189. The next prime is 195394097251. The reversal of 195394097201 is 102790493591.

195394097201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (195394097251) can be obtained adding 195394097201 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179542028176 + 15852069025 = 423724^2 + 125905^2 .

It is a cyclic number.

It is not a de Polignac number, because 195394097201 - 2⁶ = 195394097137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195394097201.

It is not a weakly prime, because it can be changed into another prime (195394097251) 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, 97697048600 + 97697048601.

It is an arithmetic number, because the mean of its divisors is an integer number (97697048601).

Almost surely, 2^195394097201 is an apocalyptic number.

It is an amenable number.

195394097201 is a deficient number, since it is larger than the sum of its proper divisors (1).

195394097201 is an equidigital number, since it uses as much as digits as its factorization.

195394097201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 50.

The spelling of 195394097201 in words is "one hundred ninety-five billion, three hundred ninety-four million, ninety-seven thousand, two hundred one".