542365242543 has 24 divisors (see below), whose sum is σ = 793393773120. Its totient is φ = 356972616000.

The previous prime is 542365242533. The next prime is 542365242589. The reversal of 542365242543 is 345242563245.

542365242543 is a `hidden beast` number, since 5 + 4 + 2 + 3 + 65 + 2 + 42 + 543 = 666.

It is not a de Polignac number, because 542365242543 - 2⁹ = 542365242031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542365242533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14067793 + ... + 14106293.

It is an arithmetic number, because the mean of its divisors is an integer number (33058073880).

Almost surely, 2^542365242543 is an apocalyptic number.

542365242543 is a deficient number, since it is larger than the sum of its proper divisors (251028530577).

542365242543 is a wasteful number, since it uses less digits than its factorization.

542365242543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58399 (or 58396 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 45.

The spelling of 542365242543 in words is "five hundred forty-two billion, three hundred sixty-five million, two hundred forty-two thousand, five hundred forty-three".