543161161349 has 2 divisors, whose sum is σ = 543161161350. Its totient is φ = 543161161348.

The previous prime is 543161161343. The next prime is 543161161357. The reversal of 543161161349 is 943161161345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 512860796449 + 30300364900 = 716143^2 + 174070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543161161349 is a prime.

It is a super-2 number, since 2×543161161349² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543161161343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271580580674 + 271580580675.

It is an arithmetic number, because the mean of its divisors is an integer number (271580580675).

Almost surely, 2^543161161349 is an apocalyptic number.

It is an amenable number.

543161161349 is a deficient number, since it is larger than the sum of its proper divisors (1).

543161161349 is an equidigital number, since it uses as much as digits as its factorization.

543161161349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 44.

The spelling of 543161161349 in words is "five hundred forty-three billion, one hundred sixty-one million, one hundred sixty-one thousand, three hundred forty-nine".