542046191783 has 2 divisors, whose sum is σ = 542046191784. Its totient is φ = 542046191782.

The previous prime is 542046191779. The next prime is 542046191873. The reversal of 542046191783 is 387191640245.

It is a happy number.

Together with next prime (542046191873) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542046191783 - 2² = 542046191779 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542046191983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271023095891 + 271023095892.

It is an arithmetic number, because the mean of its divisors is an integer number (271023095892).

It is a 1-persistent number, because it is pandigital, but 2⋅542046191783 = 1084092383566 is not.

Almost surely, 2^542046191783 is an apocalyptic number.

542046191783 is a deficient number, since it is larger than the sum of its proper divisors (1).

542046191783 is an equidigital number, since it uses as much as digits as its factorization.

542046191783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 542046191783 in words is "five hundred forty-two billion, forty-six million, one hundred ninety-one thousand, seven hundred eighty-three".