42042213524347 has 2 divisors, whose sum is σ = 42042213524348. Its totient is φ = 42042213524346.

The previous prime is 42042213524327. The next prime is 42042213524383. The reversal of 42042213524347 is 74342531224024.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42042213524347 is a prime.

It is not a weakly prime, because it can be changed into another prime (42042213524327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21021106762173 + 21021106762174.

It is an arithmetic number, because the mean of its divisors is an integer number (21021106762174).

Almost surely, 2^{42042213524347} is an apocalyptic number.

42042213524347 is a deficient number, since it is larger than the sum of its proper divisors (1).

42042213524347 is an equidigital number, since it uses as much as digits as its factorization.

42042213524347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 43.

The spelling of 42042213524347 in words is "forty-two trillion, forty-two billion, two hundred thirteen million, five hundred twenty-four thousand, three hundred forty-seven".