471043646387 has 4 divisors (see below), whose sum is σ = 475365147840. Its totient is φ = 466722144936.

The previous prime is 471043646369. The next prime is 471043646389. The reversal of 471043646387 is 783646340174.

It is a happy number.

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 471043646387 - 2²⁸ = 470775210931 is a prime.

It is a super-2 number, since 2×471043646387² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (471043646389) 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, 2160750563 + ... + 2160750780.

It is an arithmetic number, because the mean of its divisors is an integer number (118841286960).

Almost surely, 2^471043646387 is an apocalyptic number.

471043646387 is a deficient number, since it is larger than the sum of its proper divisors (4321501453).

471043646387 is a wasteful number, since it uses less digits than its factorization.

471043646387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4321501452.

The product of its (nonzero) digits is 8128512, while the sum is 53.

The spelling of 471043646387 in words is "four hundred seventy-one billion, forty-three million, six hundred forty-six thousand, three hundred eighty-seven".