475421963 has 4 divisors (see below), whose sum is σ = 475539960. Its totient is φ = 475303968.

The previous prime is 475421887. The next prime is 475421977. The reversal of 475421963 is 369124574.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 475421963 - 2¹⁸ = 475159819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 475421963.

It is not an unprimeable number, because it can be changed into a prime (475421263) 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, 52733 + ... + 61086.

It is an arithmetic number, because the mean of its divisors is an integer number (118884990).

Almost surely, 2^475421963 is an apocalyptic number.

475421963 is a deficient number, since it is larger than the sum of its proper divisors (117997).

475421963 is a wasteful number, since it uses less digits than its factorization.

475421963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117996.

The product of its digits is 181440, while the sum is 41.

The square root of 475421963 is about 21804.1730638885. The cubic root of 475421963 is about 780.4763488531.

The spelling of 475421963 in words is "four hundred seventy-five million, four hundred twenty-one thousand, nine hundred sixty-three".