542432425543 has 2 divisors, whose sum is σ = 542432425544. Its totient is φ = 542432425542.

The previous prime is 542432425531. The next prime is 542432425559. The reversal of 542432425543 is 345524234245.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542432425543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542432425543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542432425573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271216212771 + 271216212772.

It is an arithmetic number, because the mean of its divisors is an integer number (271216212772).

Almost surely, 2^542432425543 is an apocalyptic number.

542432425543 is a deficient number, since it is larger than the sum of its proper divisors (1).

542432425543 is an equidigital number, since it uses as much as digits as its factorization.

542432425543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304000, while the sum is 43.

Adding to 542432425543 its reverse (345524234245), we get a palindrome (887956659788).

The spelling of 542432425543 in words is "five hundred forty-two billion, four hundred thirty-two million, four hundred twenty-five thousand, five hundred forty-three".