475319189 has 2 divisors, whose sum is σ = 475319190. Its totient is φ = 475319188.

The previous prime is 475319177. The next prime is 475319203. The reversal of 475319189 is 981913574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334707025 + 140612164 = 18295^2 + 11858^2 .

It is a cyclic number.

It is not a de Polignac number, because 475319189 - 2²⁰ = 474270613 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475319149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237659594 + 237659595.

It is an arithmetic number, because the mean of its divisors is an integer number (237659595).

Almost surely, 2^475319189 is an apocalyptic number.

It is an amenable number.

475319189 is a deficient number, since it is larger than the sum of its proper divisors (1).

475319189 is an equidigital number, since it uses as much as digits as its factorization.

475319189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 47.

The square root of 475319189 is about 21801.8161858135. The cubic root of 475319189 is about 780.4201051628.

The spelling of 475319189 in words is "four hundred seventy-five million, three hundred nineteen thousand, one hundred eighty-nine".