543344121443345 has 8 divisors (see below), whose sum is σ = 652017080327976. Its totient is φ = 434672540757376.

The previous prime is 543344121443341. The next prime is 543344121443369.

It is a happy number.

543344121443345 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 6088650015361 + 537255471427984 = 2467519^2 + 23178772^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 543344121443345 - 2² = 543344121443341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 543344121443293 and 543344121443302.

It is not an unprimeable number, because it can be changed into a prime (543344121443341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343682132 + ... + 345259461.

It is an arithmetic number, because the mean of its divisors is an integer number (81502135040997).

Almost surely, 2^{543344121443345} is an apocalyptic number.

It is an amenable number.

543344121443345 is a deficient number, since it is larger than the sum of its proper divisors (108672958884631).

543344121443345 is a wasteful number, since it uses less digits than its factorization.

543344121443345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689099331.

The product of its digits is 16588800, while the sum is 50.

The spelling of 543344121443345 in words is "five hundred forty-three trillion, three hundred forty-four billion, one hundred twenty-one million, four hundred forty-three thousand, three hundred forty-five".