475664004031 has 4 divisors (see below), whose sum is σ = 475665914152. Its totient is φ = 475662093912.

The previous prime is 475664004029. The next prime is 475664004083. The reversal of 475664004031 is 130400466574.

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 475664004031 - 2¹ = 475664004029 is a prime.

It is a super-2 number, since 2×475664004031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475664004931) 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, 513465 + ... + 1102258.

It is an arithmetic number, because the mean of its divisors is an integer number (118916478538).

Almost surely, 2^475664004031 is an apocalyptic number.

475664004031 is a deficient number, since it is larger than the sum of its proper divisors (1910121).

475664004031 is a wasteful number, since it uses less digits than its factorization.

475664004031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910120.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 475664004031 in words is "four hundred seventy-five billion, six hundred sixty-four million, four thousand, thirty-one".