471147717247 has 4 divisors (see below), whose sum is σ = 471601180960. Its totient is φ = 470694253536.

The previous prime is 471147717233. The next prime is 471147717283. The reversal of 471147717247 is 742717741174.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-471147717247 is a prime.

It is a super-2 number, since 2×471147717247² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 471147717194 and 471147717203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471147717647) 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, 226730298 + ... + 226732375.

It is an arithmetic number, because the mean of its divisors is an integer number (117900295240).

Almost surely, 2^471147717247 is an apocalyptic number.

471147717247 is a deficient number, since it is larger than the sum of its proper divisors (453463713).

471147717247 is a wasteful number, since it uses less digits than its factorization.

471147717247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453463712.

The product of its digits is 2151296, while the sum is 52.

The spelling of 471147717247 in words is "four hundred seventy-one billion, one hundred forty-seven million, seven hundred seventeen thousand, two hundred forty-seven".