542458256863 has 2 divisors, whose sum is σ = 542458256864. Its totient is φ = 542458256862.

The previous prime is 542458256843. The next prime is 542458256891. The reversal of 542458256863 is 368652854245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542458256863 - 2¹³ = 542458248671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542458256798 and 542458256807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542458256843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271229128431 + 271229128432.

It is an arithmetic number, because the mean of its divisors is an integer number (271229128432).

Almost surely, 2^542458256863 is an apocalyptic number.

542458256863 is a deficient number, since it is larger than the sum of its proper divisors (1).

542458256863 is an equidigital number, since it uses as much as digits as its factorization.

542458256863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296000, while the sum is 58.

The spelling of 542458256863 in words is "five hundred forty-two billion, four hundred fifty-eight million, two hundred fifty-six thousand, eight hundred sixty-three".