471921563 has 4 divisors (see below), whose sum is σ = 496759560. Its totient is φ = 447083568.

The previous prime is 471921557. The next prime is 471921607. The reversal of 471921563 is 365129174.

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 471921563 - 2²² = 467727259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (471921503) 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, 12418970 + ... + 12419007.

It is an arithmetic number, because the mean of its divisors is an integer number (124189890).

Almost surely, 2^471921563 is an apocalyptic number.

471921563 is a deficient number, since it is larger than the sum of its proper divisors (24837997).

471921563 is a wasteful number, since it uses less digits than its factorization.

471921563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24837996.

The product of its digits is 45360, while the sum is 38.

The square root of 471921563 is about 21723.7557296154. The cubic root of 471921563 is about 778.5561515537.

The spelling of 471921563 in words is "four hundred seventy-one million, nine hundred twenty-one thousand, five hundred sixty-three".