471992641 has 4 divisors (see below), whose sum is σ = 499756932. Its totient is φ = 444228352.

The previous prime is 471992611. The next prime is 471992663. The reversal of 471992641 is 146299174.

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

It can be written as a sum of positive squares in 2 ways, for example, as 182142016 + 289850625 = 13496^2 + 17025^2 .

It is a cyclic number.

It is not a de Polignac number, because 471992641 - 2¹⁷ = 471861569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (471992611) 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, 13882120 + ... + 13882153.

It is an arithmetic number, because the mean of its divisors is an integer number (124939233).

Almost surely, 2^471992641 is an apocalyptic number.

It is an amenable number.

471992641 is a deficient number, since it is larger than the sum of its proper divisors (27764291).

471992641 is a wasteful number, since it uses less digits than its factorization.

471992641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27764290.

The product of its digits is 108864, while the sum is 43.

The square root of 471992641 is about 21725.3916190250. The cubic root of 471992641 is about 778.5952367468.

The spelling of 471992641 in words is "four hundred seventy-one million, nine hundred ninety-two thousand, six hundred forty-one".