475593869 has 4 divisors (see below), whose sum is σ = 476018496. Its totient is φ = 475169244.

The previous prime is 475593863. The next prime is 475593917. The reversal of 475593869 is 968395574.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 475593869 - 2²⁴ = 458816653 is a prime.

It is a super-2 number, since 2×475593869² = 452379056460778322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475593863) 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, 210629 + ... + 212874.

It is an arithmetic number, because the mean of its divisors is an integer number (119004624).

Almost surely, 2^475593869 is an apocalyptic number.

It is an amenable number.

475593869 is a deficient number, since it is larger than the sum of its proper divisors (424627).

475593869 is a wasteful number, since it uses less digits than its factorization.

475593869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424626.

The product of its digits is 8164800, while the sum is 56.

The square root of 475593869 is about 21808.1147511654. The cubic root of 475593869 is about 780.5704073315.

The spelling of 475593869 in words is "four hundred seventy-five million, five hundred ninety-three thousand, eight hundred sixty-nine".