9168389045941 has 2 divisors, whose sum is σ = 9168389045942. Its totient is φ = 9168389045940.

The previous prime is 9168389045887. The next prime is 9168389045947. The reversal of 9168389045941 is 1495409838619.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7730368365316 + 1438020680625 = 2780354^2 + 1199175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9168389045941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9168389045947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4584194522970 + 4584194522971.

It is an arithmetic number, because the mean of its divisors is an integer number (4584194522971).

Almost surely, 2^{9168389045941} is an apocalyptic number.

It is an amenable number.

9168389045941 is a deficient number, since it is larger than the sum of its proper divisors (1).

9168389045941 is an equidigital number, since it uses as much as digits as its factorization.

9168389045941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67184640, while the sum is 67.

The spelling of 9168389045941 in words is "nine trillion, one hundred sixty-eight billion, three hundred eighty-nine million, forty-five thousand, nine hundred forty-one".