471966169 has 2 divisors, whose sum is σ = 471966170. Its totient is φ = 471966168.

The previous prime is 471966167. The next prime is 471966179. The reversal of 471966169 is 961669174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 408524944 + 63441225 = 20212^2 + 7965^2 .

It is a cyclic number.

It is not a de Polignac number, because 471966169 - 2¹ = 471966167 is a prime.

It is a super-2 number, since 2×471966169² = 445504129361073122, which contains 22 as substring.

Together with 471966167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (471966167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235983084 + 235983085.

It is an arithmetic number, because the mean of its divisors is an integer number (235983085).

Almost surely, 2^471966169 is an apocalyptic number.

It is an amenable number.

471966169 is a deficient number, since it is larger than the sum of its proper divisors (1).

471966169 is an equidigital number, since it uses as much as digits as its factorization.

471966169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 49.

The square root of 471966169 is about 21724.7823694508. The cubic root of 471966169 is about 778.5806804757.

The spelling of 471966169 in words is "four hundred seventy-one million, nine hundred sixty-six thousand, one hundred sixty-nine".