542433616169 has 2 divisors, whose sum is σ = 542433616170. Its totient is φ = 542433616168.

The previous prime is 542433616117. The next prime is 542433616181. The reversal of 542433616169 is 961616334245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374097373225 + 168336242944 = 611635^2 + 410288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542433616169 is a prime.

It is a super-2 number, since 2×542433616169² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (542433616189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271216808084 + 271216808085.

It is an arithmetic number, because the mean of its divisors is an integer number (271216808085).

Almost surely, 2^542433616169 is an apocalyptic number.

It is an amenable number.

542433616169 is a deficient number, since it is larger than the sum of its proper divisors (1).

542433616169 is an equidigital number, since it uses as much as digits as its factorization.

542433616169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 50.

The spelling of 542433616169 in words is "five hundred forty-two billion, four hundred thirty-three million, six hundred sixteen thousand, one hundred sixty-nine".