542349181373617 has 2 divisors, whose sum is σ = 542349181373618. Its totient is φ = 542349181373616.

The previous prime is 542349181373599. The next prime is 542349181373689. The reversal of 542349181373617 is 716373181943245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 539330209098256 + 3018972275361 = 23223484^2 + 1737519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542349181373617 is a prime.

It is not a weakly prime, because it can be changed into another prime (542349181373117) 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, 271174590686808 + 271174590686809.

It is an arithmetic number, because the mean of its divisors is an integer number (271174590686809).

Almost surely, 2^{542349181373617} is an apocalyptic number.

It is an amenable number.

542349181373617 is a deficient number, since it is larger than the sum of its proper divisors (1).

542349181373617 is an equidigital number, since it uses as much as digits as its factorization.

542349181373617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91445760, while the sum is 64.

The spelling of 542349181373617 in words is "five hundred forty-two trillion, three hundred forty-nine billion, one hundred eighty-one million, three hundred seventy-three thousand, six hundred seventeen".