542042240213 has 2 divisors, whose sum is σ = 542042240214. Its totient is φ = 542042240212.

The previous prime is 542042240197. The next prime is 542042240219. The reversal of 542042240213 is 312042240245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372317191684 + 169725048529 = 610178^2 + 411977^2 .

It is a cyclic number.

It is not a de Polignac number, because 542042240213 - 2⁴ = 542042240197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542042240219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271021120106 + 271021120107.

It is an arithmetic number, because the mean of its divisors is an integer number (271021120107).

Almost surely, 2^542042240213 is an apocalyptic number.

It is an amenable number.

542042240213 is a deficient number, since it is larger than the sum of its proper divisors (1).

542042240213 is an equidigital number, since it uses as much as digits as its factorization.

542042240213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 542042240213 its reverse (312042240245), we get a palindrome (854084480458).

The spelling of 542042240213 in words is "five hundred forty-two billion, forty-two million, two hundred forty thousand, two hundred thirteen".