542425429214861 has 2 divisors, whose sum is σ = 542425429214862. Its totient is φ = 542425429214860.

The previous prime is 542425429214827. The next prime is 542425429214863. The reversal of 542425429214861 is 168412924524245.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 515254543209961 + 27170886004900 = 22699219^2 + 5212570^2 .

It is a cyclic number.

It is not a de Polignac number, because 542425429214861 - 2¹⁸ = 542425428952717 is a prime.

Together with 542425429214863, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542425429214861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542425429214863) 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, 271212714607430 + 271212714607431.

It is an arithmetic number, because the mean of its divisors is an integer number (271212714607431).

Almost surely, 2^{542425429214861} is an apocalyptic number.

It is an amenable number.

542425429214861 is a deficient number, since it is larger than the sum of its proper divisors (1).

542425429214861 is an equidigital number, since it uses as much as digits as its factorization.

542425429214861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44236800, while the sum is 59.

The spelling of 542425429214861 in words is "five hundred forty-two trillion, four hundred twenty-five billion, four hundred twenty-nine million, two hundred fourteen thousand, eight hundred sixty-one".