971268911 has 2 divisors, whose sum is σ = 971268912. Its totient is φ = 971268910.

The previous prime is 971268887. The next prime is 971268919. The reversal of 971268911 is 119862179.

It is a strong prime.

It is an emirp because it is prime and its reverse (119862179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 971268911 - 2¹⁸ = 971006767 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971268919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485634455 + 485634456.

It is an arithmetic number, because the mean of its divisors is an integer number (485634456).

Almost surely, 2^971268911 is an apocalyptic number.

971268911 is a deficient number, since it is larger than the sum of its proper divisors (1).

971268911 is an equidigital number, since it uses as much as digits as its factorization.

971268911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 44.

The square root of 971268911 is about 31165.1874853979. The cubic root of 971268911 is about 990.3297581896.

The spelling of 971268911 in words is "nine hundred seventy-one million, two hundred sixty-eight thousand, nine hundred eleven".