195235909000201 has 2 divisors, whose sum is σ = 195235909000202. Its totient is φ = 195235909000200.

The previous prime is 195235909000163. The next prime is 195235909000267. The reversal of 195235909000201 is 102000909532591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116828514508176 + 78407394492025 = 10808724^2 + 8854795^2 .

It is an emirp because it is prime and its reverse (102000909532591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 195235909000201 - 2²³ = 195235900611593 is a prime.

It is not a weakly prime, because it can be changed into another prime (195235909000291) 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, 97617954500100 + 97617954500101.

It is an arithmetic number, because the mean of its divisors is an integer number (97617954500101).

Almost surely, 2^{195235909000201} is an apocalyptic number.

It is an amenable number.

195235909000201 is a deficient number, since it is larger than the sum of its proper divisors (1).

195235909000201 is an equidigital number, since it uses as much as digits as its factorization.

195235909000201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 218700, while the sum is 46.

The spelling of 195235909000201 in words is "one hundred ninety-five trillion, two hundred thirty-five billion, nine hundred nine million, two hundred one", and thus it is an aban number.