542406606361 has 2 divisors, whose sum is σ = 542406606362. Its totient is φ = 542406606360.

The previous prime is 542406606353. The next prime is 542406606373. The reversal of 542406606361 is 163606604245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 539535789961 + 2870816400 = 734531^2 + 53580^2 .

It is a cyclic number.

It is not a de Polignac number, because 542406606361 - 2³ = 542406606353 is a prime.

It is not a weakly prime, because it can be changed into another prime (542406606761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271203303180 + 271203303181.

It is an arithmetic number, because the mean of its divisors is an integer number (271203303181).

Almost surely, 2^542406606361 is an apocalyptic number.

It is an amenable number.

542406606361 is a deficient number, since it is larger than the sum of its proper divisors (1).

542406606361 is an equidigital number, since it uses as much as digits as its factorization.

542406606361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 542406606361 in words is "five hundred forty-two billion, four hundred six million, six hundred six thousand, three hundred sixty-one".