544552425605 has 4 divisors (see below), whose sum is σ = 653462910732. Its totient is φ = 435641940480.

The previous prime is 544552425569. The next prime is 544552425607. The reversal of 544552425605 is 506524255445.

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 147328539556 + 397223886049 = 383834^2 + 630257^2 .

It is not a de Polignac number, because 544552425605 - 2⁸ = 544552425349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 544552425605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544552425607) 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, 54455242556 + ... + 54455242565.

It is an arithmetic number, because the mean of its divisors is an integer number (163365727683).

Almost surely, 2^544552425605 is an apocalyptic number.

It is an amenable number.

544552425605 is a deficient number, since it is larger than the sum of its proper divisors (108910485127).

544552425605 is a wasteful number, since it uses less digits than its factorization.

544552425605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108910485126.

The product of its (nonzero) digits is 4800000, while the sum is 47.

The spelling of 544552425605 in words is "five hundred forty-four billion, five hundred fifty-two million, four hundred twenty-five thousand, six hundred five".