543909643201 has 8 divisors (see below), whose sum is σ = 544183497864. Its totient is φ = 543635850240.

The previous prime is 543909643187. The next prime is 543909643237. The reversal of 543909643201 is 102346909345.

It can be written as a sum of positive squares in 4 ways, for example, as 19154283201 + 524755360000 = 138399^2 + 724400^2 .

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 543909643201 - 2³¹ = 541762159553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543909643001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35962921 + ... + 35978041.

It is an arithmetic number, because the mean of its divisors is an integer number (68022937233).

Almost surely, 2^543909643201 is an apocalyptic number.

It is an amenable number.

543909643201 is a deficient number, since it is larger than the sum of its proper divisors (273854663).

543909643201 is a wasteful number, since it uses less digits than its factorization.

543909643201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30851.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 543909643201 in words is "five hundred forty-three billion, nine hundred nine million, six hundred forty-three thousand, two hundred one".