504543430401 has 16 divisors (see below), whose sum is σ = 701989929600. Its totient is φ = 321730295040.

The previous prime is 504543430381. The next prime is 504543430427. The reversal of 504543430401 is 104034345405.

It is a happy number.

It is not a de Polignac number, because 504543430401 - 2²⁷ = 504409212673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (504543430481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5442921 + ... + 5534841.

It is an arithmetic number, because the mean of its divisors is an integer number (43874370600).

Almost surely, 2^504543430401 is an apocalyptic number.

It is an amenable number.

504543430401 is a deficient number, since it is larger than the sum of its proper divisors (197446499199).

504543430401 is a wasteful number, since it uses less digits than its factorization.

504543430401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171496.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 504543430401 its reverse (104034345405), we get a palindrome (608577775806).

The spelling of 504543430401 in words is "five hundred four billion, five hundred forty-three million, four hundred thirty thousand, four hundred one".