542453847742 has 8 divisors (see below), whose sum is σ = 814084189056. Its totient is φ = 271092451392.

The previous prime is 542453847721. The next prime is 542453847751. The reversal of 542453847742 is 247748354245.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 67231198 + ... + 67239265.

It is an arithmetic number, because the mean of its divisors is an integer number (101760523632).

Almost surely, 2^542453847742 is an apocalyptic number.

542453847742 is a deficient number, since it is larger than the sum of its proper divisors (271630341314).

542453847742 is a wasteful number, since it uses less digits than its factorization.

542453847742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134472482.

The product of its digits is 30105600, while the sum is 55.

The spelling of 542453847742 in words is "five hundred forty-two billion, four hundred fifty-three million, eight hundred forty-seven thousand, seven hundred forty-two".