201236195969 has 2 divisors, whose sum is σ = 201236195970. Its totient is φ = 201236195968.

The previous prime is 201236195827. The next prime is 201236196011. The reversal of 201236195969 is 969591632102.

201236195969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181870690369 + 19365505600 = 426463^2 + 139160^2 .

It is a cyclic number.

It is not a de Polignac number, because 201236195969 - 2¹² = 201236191873 is a prime.

It is a super-2 number, since 2×201236195969² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201236195969.

It is not a weakly prime, because it can be changed into another prime (201236194969) 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, 100618097984 + 100618097985.

It is an arithmetic number, because the mean of its divisors is an integer number (100618097985).

Almost surely, 2^201236195969 is an apocalyptic number.

It is an amenable number.

201236195969 is a deficient number, since it is larger than the sum of its proper divisors (1).

201236195969 is an equidigital number, since it uses as much as digits as its factorization.

201236195969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1574640, while the sum is 53.

The spelling of 201236195969 in words is "two hundred one billion, two hundred thirty-six million, one hundred ninety-five thousand, nine hundred sixty-nine".