542550066403 has 2 divisors, whose sum is σ = 542550066404. Its totient is φ = 542550066402.

The previous prime is 542550066371. The next prime is 542550066439. The reversal of 542550066403 is 304660055245.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542550066403 - 2⁵ = 542550066371 is a prime.

It is not a weakly prime, because it can be changed into another prime (542550066473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271275033201 + 271275033202.

It is an arithmetic number, because the mean of its divisors is an integer number (271275033202).

Almost surely, 2^542550066403 is an apocalyptic number.

542550066403 is a deficient number, since it is larger than the sum of its proper divisors (1).

542550066403 is an equidigital number, since it uses as much as digits as its factorization.

542550066403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 542550066403 in words is "five hundred forty-two billion, five hundred fifty million, sixty-six thousand, four hundred three".