543611824109 has 2 divisors, whose sum is σ = 543611824110. Its totient is φ = 543611824108.

The previous prime is 543611824079. The next prime is 543611824199. The reversal of 543611824109 is 901428116345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 504308761609 + 39303062500 = 710147^2 + 198250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543611824109 is a prime.

It is a super-2 number, since 2×543611824109² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 543611824109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543611824199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271805912054 + 271805912055.

It is an arithmetic number, because the mean of its divisors is an integer number (271805912055).

Almost surely, 2^543611824109 is an apocalyptic number.

It is an amenable number.

543611824109 is a deficient number, since it is larger than the sum of its proper divisors (1).

543611824109 is an equidigital number, since it uses as much as digits as its factorization.

543611824109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 543611824109 in words is "five hundred forty-three billion, six hundred eleven million, eight hundred twenty-four thousand, one hundred nine".