544354544365 has 4 divisors (see below), whose sum is σ = 653225453244. Its totient is φ = 435483635488.

The previous prime is 544354544359. The next prime is 544354544369. The reversal of 544354544365 is 563445453445.

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 129086429796 + 415268114569 = 359286^2 + 644413^2 .

It is a cyclic number.

It is not a de Polignac number, because 544354544365 - 2¹¹ = 544354542317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544354544369) 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, 54435454432 + ... + 54435454441.

It is an arithmetic number, because the mean of its divisors is an integer number (163306363311).

Almost surely, 2^544354544365 is an apocalyptic number.

It is an amenable number.

544354544365 is a deficient number, since it is larger than the sum of its proper divisors (108870908879).

544354544365 is a wasteful number, since it uses less digits than its factorization.

544354544365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108870908878.

The product of its digits is 34560000, while the sum is 52.

The spelling of 544354544365 in words is "five hundred forty-four billion, three hundred fifty-four million, five hundred forty-four thousand, three hundred sixty-five".