542441263036423 has 4 divisors (see below), whose sum is σ = 561146134175640. Its totient is φ = 523736391897208.

The previous prime is 542441263036403. The next prime is 542441263036427. The reversal of 542441263036423 is 324630362144245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542441263036423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542441263036427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9352435569565 + ... + 9352435569622.

It is an arithmetic number, because the mean of its divisors is an integer number (140286533543910).

Almost surely, 2^{542441263036423} is an apocalyptic number.

542441263036423 is a deficient number, since it is larger than the sum of its proper divisors (18704871139217).

542441263036423 is a wasteful number, since it uses less digits than its factorization.

542441263036423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18704871139216.

The product of its (nonzero) digits is 9953280, while the sum is 49.

The spelling of 542441263036423 in words is "five hundred forty-two trillion, four hundred forty-one billion, two hundred sixty-three million, thirty-six thousand, four hundred twenty-three".