542422066061 has 2 divisors, whose sum is σ = 542422066062. Its totient is φ = 542422066060.

The previous prime is 542422066051. The next prime is 542422066073. The reversal of 542422066061 is 160660224245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 504057400900 + 38364665161 = 709970^2 + 195869^2 .

It is a cyclic number.

It is not a de Polignac number, because 542422066061 - 2¹⁰ = 542422065037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542422066051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271211033030 + 271211033031.

It is an arithmetic number, because the mean of its divisors is an integer number (271211033031).

Almost surely, 2^542422066061 is an apocalyptic number.

It is an amenable number.

542422066061 is a deficient number, since it is larger than the sum of its proper divisors (1).

542422066061 is an equidigital number, since it uses as much as digits as its factorization.

542422066061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 542422066061 in words is "five hundred forty-two billion, four hundred twenty-two million, sixty-six thousand, sixty-one".