542942287187 has 2 divisors, whose sum is σ = 542942287188. Its totient is φ = 542942287186.

The previous prime is 542942287163. The next prime is 542942287243. The reversal of 542942287187 is 781782249245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542942287187 - 2¹⁴ = 542942270803 is a prime.

It is not a weakly prime, because it can be changed into another prime (542942287487) 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, 271471143593 + 271471143594.

It is an arithmetic number, because the mean of its divisors is an integer number (271471143594).

Almost surely, 2^542942287187 is an apocalyptic number.

542942287187 is a deficient number, since it is larger than the sum of its proper divisors (1).

542942287187 is an equidigital number, since it uses as much as digits as its factorization.

542942287187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18063360, while the sum is 59.

The spelling of 542942287187 in words is "five hundred forty-two billion, nine hundred forty-two million, two hundred eighty-seven thousand, one hundred eighty-seven".