545353424401 has 4 divisors (see below), whose sum is σ = 545356065204. Its totient is φ = 545350783600.

The previous prime is 545353424389. The next prime is 545353424449. The reversal of 545353424401 is 104424353545.

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 463657493776 + 81695930625 = 680924^2 + 285825^2 .

It is a cyclic number.

It is not a de Polignac number, because 545353424401 - 2²³ = 545345035793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545353424461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981670 + ... + 1433311.

It is an arithmetic number, because the mean of its divisors is an integer number (136339016301).

Almost surely, 2^545353424401 is an apocalyptic number.

It is an amenable number.

545353424401 is a deficient number, since it is larger than the sum of its proper divisors (2640803).

545353424401 is a wasteful number, since it uses less digits than its factorization.

545353424401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640802.

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 545353424401 its reverse (104424353545), we get a palindrome (649777777946).

The spelling of 545353424401 in words is "five hundred forty-five billion, three hundred fifty-three million, four hundred twenty-four thousand, four hundred one".