947116169 has 2 divisors, whose sum is σ = 947116170. Its totient is φ = 947116168.

The previous prime is 947116153. The next prime is 947116211. The reversal of 947116169 is 961611749.

It is a happy number.

947116169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 929518144 + 17598025 = 30488^2 + 4195^2 .

It is a cyclic number.

It is not a de Polignac number, because 947116169 - 2⁴ = 947116153 is a prime.

It is a super-2 number, since 2×947116169² = 1794058075162473122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (947116109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473558084 + 473558085.

It is an arithmetic number, because the mean of its divisors is an integer number (473558085).

Almost surely, 2^947116169 is an apocalyptic number.

It is an amenable number.

947116169 is a deficient number, since it is larger than the sum of its proper divisors (1).

947116169 is an equidigital number, since it uses as much as digits as its factorization.

947116169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 44.

The square root of 947116169 is about 30775.2525416121. The cubic root of 947116169 is about 982.0518474014.

The spelling of 947116169 in words is "nine hundred forty-seven million, one hundred sixteen thousand, one hundred sixty-nine".