475420967671 has 4 divisors (see below), whose sum is σ = 511991811352. Its totient is φ = 438850123992.

The previous prime is 475420967647. The next prime is 475420967689. The reversal of 475420967671 is 176769024574.

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 475420967671 - 2¹¹ = 475420965623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475420967611) 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, 18285421821 + ... + 18285421846.

It is an arithmetic number, because the mean of its divisors is an integer number (127997952838).

Almost surely, 2^475420967671 is an apocalyptic number.

475420967671 is a deficient number, since it is larger than the sum of its proper divisors (36570843681).

475420967671 is a wasteful number, since it uses less digits than its factorization.

475420967671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36570843680.

The product of its (nonzero) digits is 17781120, while the sum is 58.

The spelling of 475420967671 in words is "four hundred seventy-five billion, four hundred twenty million, nine hundred sixty-seven thousand, six hundred seventy-one".