543401330523169 has 2 divisors, whose sum is σ = 543401330523170. Its totient is φ = 543401330523168.

The previous prime is 543401330523143. The next prime is 543401330523179. The reversal of 543401330523169 is 961325033104345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 501907313210944 + 41494017312225 = 22403288^2 + 6441585^2 .

It is a cyclic number.

It is not a de Polignac number, because 543401330523169 - 2⁵ = 543401330523137 is a prime.

It is a super-2 number, since 2×543401330523169² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (543401330523179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271700665261584 + 271700665261585.

It is an arithmetic number, because the mean of its divisors is an integer number (271700665261585).

Almost surely, 2^{543401330523169} is an apocalyptic number.

It is an amenable number.

543401330523169 is a deficient number, since it is larger than the sum of its proper divisors (1).

543401330523169 is an equidigital number, since it uses as much as digits as its factorization.

543401330523169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3499200, while the sum is 49.

The spelling of 543401330523169 in words is "five hundred forty-three trillion, four hundred one billion, three hundred thirty million, five hundred twenty-three thousand, one hundred sixty-nine".