542040342341 has 2 divisors, whose sum is σ = 542040342342. Its totient is φ = 542040342340.

The previous prime is 542040342329. The next prime is 542040342359. The reversal of 542040342341 is 143243040245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290893029025 + 251147313316 = 539345^2 + 501146^2 .

It is a cyclic number.

It is not a de Polignac number, because 542040342341 - 2²² = 542036148037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542040342298 and 542040342307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542040342541) 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, 271020171170 + 271020171171.

It is an arithmetic number, because the mean of its divisors is an integer number (271020171171).

Almost surely, 2^542040342341 is an apocalyptic number.

It is an amenable number.

542040342341 is a deficient number, since it is larger than the sum of its proper divisors (1).

542040342341 is an equidigital number, since it uses as much as digits as its factorization.

542040342341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 542040342341 its reverse (143243040245), we get a palindrome (685283382586).

The spelling of 542040342341 in words is "five hundred forty-two billion, forty million, three hundred forty-two thousand, three hundred forty-one".