201768953369 has 2 divisors, whose sum is σ = 201768953370. Its totient is φ = 201768953368.

The previous prime is 201768953339. The next prime is 201768953383. The reversal of 201768953369 is 963359867102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112479744400 + 89289208969 = 335380^2 + 298813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201768953369 is a prime.

It is a super-2 number, since 2×201768953369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201768953339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100884476684 + 100884476685.

It is an arithmetic number, because the mean of its divisors is an integer number (100884476685).

Almost surely, 2^201768953369 is an apocalyptic number.

It is an amenable number.

201768953369 is a deficient number, since it is larger than the sum of its proper divisors (1).

201768953369 is an equidigital number, since it uses as much as digits as its factorization.

201768953369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 201768953369 in words is "two hundred one billion, seven hundred sixty-eight million, nine hundred fifty-three thousand, three hundred sixty-nine".