543532042065 has 32 divisors (see below), whose sum is σ = 872406412416. Its totient is φ = 288966528000.

The previous prime is 543532042063. The next prime is 543532042069. The reversal of 543532042065 is 560240235345.

It is not a de Polignac number, because 543532042065 - 2¹ = 543532042063 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (543532042063) 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 31 ways as a sum of consecutive naturals, for example, 7674315 + ... + 7744815.

It is an arithmetic number, because the mean of its divisors is an integer number (27262700388).

Almost surely, 2^543532042065 is an apocalyptic number.

It is an amenable number.

543532042065 is a deficient number, since it is larger than the sum of its proper divisors (328874370351).

543532042065 is a wasteful number, since it uses less digits than its factorization.

543532042065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72129.

The product of its (nonzero) digits is 432000, while the sum is 39.

The spelling of 543532042065 in words is "five hundred forty-three billion, five hundred thirty-two million, forty-two thousand, sixty-five".