542213345461 has 2 divisors, whose sum is σ = 542213345462. Its totient is φ = 542213345460.

The previous prime is 542213345459. The next prime is 542213345483. The reversal of 542213345461 is 164543312245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 541416356100 + 796989361 = 735810^2 + 28231^2 .

It is a cyclic number.

It is not a de Polignac number, because 542213345461 - 2¹ = 542213345459 is a prime.

Together with 542213345459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542213345161) 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, 271106672730 + 271106672731.

It is an arithmetic number, because the mean of its divisors is an integer number (271106672731).

Almost surely, 2^542213345461 is an apocalyptic number.

It is an amenable number.

542213345461 is a deficient number, since it is larger than the sum of its proper divisors (1).

542213345461 is an equidigital number, since it uses as much as digits as its factorization.

542213345461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 40.

The spelling of 542213345461 in words is "five hundred forty-two billion, two hundred thirteen million, three hundred forty-five thousand, four hundred sixty-one".