475588669 has 2 divisors, whose sum is σ = 475588670. Its totient is φ = 475588668.

The previous prime is 475588667. The next prime is 475588693. The reversal of 475588669 is 966885574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 367220569 + 108368100 = 19163^2 + 10410^2 .

It is a cyclic number.

It is not a de Polignac number, because 475588669 - 2¹ = 475588667 is a prime.

It is a super-2 number, since 2×475588669² = 452369164162383122, which contains 22 as substring.

Together with 475588667, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475588667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237794334 + 237794335.

It is an arithmetic number, because the mean of its divisors is an integer number (237794335).

Almost surely, 2^475588669 is an apocalyptic number.

It is an amenable number.

475588669 is a deficient number, since it is larger than the sum of its proper divisors (1).

475588669 is an equidigital number, since it uses as much as digits as its factorization.

475588669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14515200, while the sum is 58.

The square root of 475588669 is about 21807.9955291632. The cubic root of 475588669 is about 780.5675624806.

The spelling of 475588669 in words is "four hundred seventy-five million, five hundred eighty-eight thousand, six hundred sixty-nine".