471117913 has 4 divisors (see below), whose sum is σ = 538420480. Its totient is φ = 403815348.

The previous prime is 471117893. The next prime is 471117919. The reversal of 471117913 is 319711174.

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 a de Polignac number, because none of the positive numbers 2^k-471117913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (471117919) 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, 33651273 + ... + 33651286.

It is an arithmetic number, because the mean of its divisors is an integer number (134605120).

Almost surely, 2^471117913 is an apocalyptic number.

It is an amenable number.

471117913 is a deficient number, since it is larger than the sum of its proper divisors (67302567).

471117913 is an equidigital number, since it uses as much as digits as its factorization.

471117913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67302566.

The product of its digits is 5292, while the sum is 34.

The square root of 471117913 is about 21705.2508163347. The cubic root of 471117913 is about 778.1139579042.

The spelling of 471117913 in words is "four hundred seventy-one million, one hundred seventeen thousand, nine hundred thirteen".