42351535543 has 2 divisors, whose sum is σ = 42351535544. Its totient is φ = 42351535542.

The previous prime is 42351535531. The next prime is 42351535561. The reversal of 42351535543 is 34553515324.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42351535543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42351535496 and 42351535505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42351535943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21175767771 + 21175767772.

It is an arithmetic number, because the mean of its divisors is an integer number (21175767772).

Almost surely, 2^42351535543 is an apocalyptic number.

42351535543 is a deficient number, since it is larger than the sum of its proper divisors (1).

42351535543 is an equidigital number, since it uses as much as digits as its factorization.

42351535543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540000, while the sum is 40.

The spelling of 42351535543 in words is "forty-two billion, three hundred fifty-one million, five hundred thirty-five thousand, five hundred forty-three".