475221427201 has 4 divisors (see below), whose sum is σ = 475233222100. Its totient is φ = 475209632304.

The previous prime is 475221427189. The next prime is 475221427237. The reversal of 475221427201 is 102724122574.

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

It can be written as a sum of positive squares in 2 ways, for example, as 177956578801 + 297264848400 = 421849^2 + 545220^2 .

It is a cyclic number.

It is not a de Polignac number, because 475221427201 - 2⁷ = 475221427073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475221427001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5836806 + ... + 5917663.

It is an arithmetic number, because the mean of its divisors is an integer number (118808305525).

Almost surely, 2^475221427201 is an apocalyptic number.

It is an amenable number.

475221427201 is a deficient number, since it is larger than the sum of its proper divisors (11794899).

475221427201 is a wasteful number, since it uses less digits than its factorization.

475221427201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11794898.

The product of its (nonzero) digits is 62720, while the sum is 37.

Adding to 475221427201 its reverse (102724122574), we get a palindrome (577945549775).

The spelling of 475221427201 in words is "four hundred seventy-five billion, two hundred twenty-one million, four hundred twenty-seven thousand, two hundred one".