195388622101 has 2 divisors, whose sum is σ = 195388622102. Its totient is φ = 195388622100.

The previous prime is 195388622057. The next prime is 195388622159. The reversal of 195388622101 is 101226883591.

195388622101 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., 194833077201 + 555544900 = 441399^2 + 23570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195388622101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195388622161) 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, 97694311050 + 97694311051.

It is an arithmetic number, because the mean of its divisors is an integer number (97694311051).

Almost surely, 2^195388622101 is an apocalyptic number.

It is an amenable number.

195388622101 is a deficient number, since it is larger than the sum of its proper divisors (1).

195388622101 is an equidigital number, since it uses as much as digits as its factorization.

195388622101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 195388622101 in words is "one hundred ninety-five billion, three hundred eighty-eight million, six hundred twenty-two thousand, one hundred one".