543431013361589 has 2 divisors, whose sum is σ = 543431013361590. Its totient is φ = 543431013361588.

The previous prime is 543431013361493. The next prime is 543431013361729. The reversal of 543431013361589 is 985163310134345.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 476484940246225 + 66946073115364 = 21828535^2 + 8182058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543431013361589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543431013367589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271715506680794 + 271715506680795.

It is an arithmetic number, because the mean of its divisors is an integer number (271715506680795).

Almost surely, 2^{543431013361589} is an apocalyptic number.

It is an amenable number.

543431013361589 is a deficient number, since it is larger than the sum of its proper divisors (1).

543431013361589 is an equidigital number, since it uses as much as digits as its factorization.

543431013361589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13996800, while the sum is 56.

The spelling of 543431013361589 in words is "five hundred forty-three trillion, four hundred thirty-one billion, thirteen million, three hundred sixty-one thousand, five hundred eighty-nine".