42542734830347 has 2 divisors, whose sum is σ = 42542734830348. Its totient is φ = 42542734830346.

The previous prime is 42542734830263. The next prime is 42542734830391. The reversal of 42542734830347 is 74303843724524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42542734830347 - 2³⁰ = 42541661088523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42542734830292 and 42542734830301.

It is not a weakly prime, because it can be changed into another prime (42542734830047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21271367415173 + 21271367415174.

It is an arithmetic number, because the mean of its divisors is an integer number (21271367415174).

Almost surely, 2^{42542734830347} is an apocalyptic number.

42542734830347 is a deficient number, since it is larger than the sum of its proper divisors (1).

42542734830347 is an equidigital number, since it uses as much as digits as its factorization.

42542734830347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54190080, while the sum is 56.

The spelling of 42542734830347 in words is "forty-two trillion, five hundred forty-two billion, seven hundred thirty-four million, eight hundred thirty thousand, three hundred forty-seven".