542522435209 has 2 divisors, whose sum is σ = 542522435210. Its totient is φ = 542522435208.

The previous prime is 542522435179. The next prime is 542522435219. The reversal of 542522435209 is 902534225245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 533963409984 + 8559025225 = 730728^2 + 92515^2 .

It is a cyclic number.

It is not a de Polignac number, because 542522435209 - 2⁹ = 542522434697 is a prime.

It is not a weakly prime, because it can be changed into another prime (542522435219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271261217604 + 271261217605.

It is an arithmetic number, because the mean of its divisors is an integer number (271261217605).

Almost surely, 2^542522435209 is an apocalyptic number.

It is an amenable number.

542522435209 is a deficient number, since it is larger than the sum of its proper divisors (1).

542522435209 is an equidigital number, since it uses as much as digits as its factorization.

542522435209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 542522435209 in words is "five hundred forty-two billion, five hundred twenty-two million, four hundred thirty-five thousand, two hundred nine".