475459169 has 2 divisors, whose sum is σ = 475459170. Its totient is φ = 475459168.

The previous prime is 475459163. The next prime is 475459219. The reversal of 475459169 is 961954574.

It is an a-pointer prime, because the next prime (475459219) can be obtained adding 475459169 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334158400 + 141300769 = 18280^2 + 11887^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475459169 is a prime.

It is a super-2 number, since 2×475459169² = 452122842772341122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (475459163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237729584 + 237729585.

It is an arithmetic number, because the mean of its divisors is an integer number (237729585).

Almost surely, 2^475459169 is an apocalyptic number.

It is an amenable number.

475459169 is a deficient number, since it is larger than the sum of its proper divisors (1).

475459169 is an equidigital number, since it uses as much as digits as its factorization.

475459169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 50.

The square root of 475459169 is about 21805.0262324997. The cubic root of 475459169 is about 780.4967080623.

The spelling of 475459169 in words is "four hundred seventy-five million, four hundred fifty-nine thousand, one hundred sixty-nine".