475746473681 has 8 divisors (see below), whose sum is σ = 476962122024. Its totient is φ = 474532122240.

The previous prime is 475746473677. The next prime is 475746473717. The reversal of 475746473681 is 186374647574.

It can be written as a sum of positive squares in 4 ways, for example, as 218915437456 + 256831036225 = 467884^2 + 506785^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 475746473681 - 2² = 475746473677 is a prime.

It is a super-2 number, since 2×475746473681² (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 (475746473621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412511 + ... + 1059083.

It is an arithmetic number, because the mean of its divisors is an integer number (59620265253).

Almost surely, 2^475746473681 is an apocalyptic number.

It is an amenable number.

475746473681 is a deficient number, since it is larger than the sum of its proper divisors (1215648343).

475746473681 is a wasteful number, since it uses less digits than its factorization.

475746473681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648451.

The product of its digits is 94832640, while the sum is 62.

The spelling of 475746473681 in words is "four hundred seventy-five billion, seven hundred forty-six million, four hundred seventy-three thousand, six hundred eighty-one".