543689045593 has 2 divisors, whose sum is σ = 543689045594. Its totient is φ = 543689045592.

The previous prime is 543689045489. The next prime is 543689045621. The reversal of 543689045593 is 395540986345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 431160330384 + 112528715209 = 656628^2 + 335453^2 .

It is a cyclic number.

It is not a de Polignac number, because 543689045593 - 2¹³ = 543689037401 is a prime.

It is not a weakly prime, because it can be changed into another prime (543689048593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271844522796 + 271844522797.

It is an arithmetic number, because the mean of its divisors is an integer number (271844522797).

Almost surely, 2^543689045593 is an apocalyptic number.

It is an amenable number.

543689045593 is a deficient number, since it is larger than the sum of its proper divisors (1).

543689045593 is an equidigital number, since it uses as much as digits as its factorization.

543689045593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984000, while the sum is 61.

The spelling of 543689045593 in words is "five hundred forty-three billion, six hundred eighty-nine million, forty-five thousand, five hundred ninety-three".