475395469 has 2 divisors, whose sum is σ = 475395470. Its totient is φ = 475395468.

The previous prime is 475395467. The next prime is 475395541. The reversal of 475395469 is 964593574.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401521444 + 73874025 = 20038^2 + 8595^2 .

It is a cyclic number.

It is not a de Polignac number, because 475395469 - 2¹ = 475395467 is a prime.

It is a super-2 number, since 2×475395469² = 452001703891459922, which contains 22 as substring.

Together with 475395467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475395461) 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, 237697734 + 237697735.

It is an arithmetic number, because the mean of its divisors is an integer number (237697735).

Almost surely, 2^475395469 is an apocalyptic number.

It is an amenable number.

475395469 is a deficient number, since it is larger than the sum of its proper divisors (1).

475395469 is an equidigital number, since it uses as much as digits as its factorization.

475395469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4082400, while the sum is 52.

The square root of 475395469 is about 21803.5655111727. The cubic root of 475395469 is about 780.4618506276.

The spelling of 475395469 in words is "four hundred seventy-five million, three hundred ninety-five thousand, four hundred sixty-nine".