475573909 has 4 divisors (see below), whose sum is σ = 476407360. Its totient is φ = 474740460.

The previous prime is 475573897. The next prime is 475573927. The reversal of 475573909 is 909375574.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 909375574 = 2 ⋅454687787.

It is a cyclic number.

It is not a de Polignac number, because 475573909 - 2⁵ = 475573877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475573949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415869 + ... + 417010.

It is an arithmetic number, because the mean of its divisors is an integer number (119101840).

Almost surely, 2^475573909 is an apocalyptic number.

It is an amenable number.

475573909 is a deficient number, since it is larger than the sum of its proper divisors (833451).

475573909 is an equidigital number, since it uses as much as digits as its factorization.

475573909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833450.

The product of its (nonzero) digits is 1190700, while the sum is 49.

The square root of 475573909 is about 21807.6571185444. The cubic root of 475573909 is about 780.5594873678.

The spelling of 475573909 in words is "four hundred seventy-five million, five hundred seventy-three thousand, nine hundred nine".