42349424671 has 2 divisors, whose sum is σ = 42349424672. Its totient is φ = 42349424670.

The previous prime is 42349424669. The next prime is 42349424713. The reversal of 42349424671 is 17642494324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42349424671 - 2¹ = 42349424669 is a prime.

Together with 42349424669, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42349424171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21174712335 + 21174712336.

It is an arithmetic number, because the mean of its divisors is an integer number (21174712336).

Almost surely, 2^42349424671 is an apocalyptic number.

42349424671 is a deficient number, since it is larger than the sum of its proper divisors (1).

42349424671 is an equidigital number, since it uses as much as digits as its factorization.

42349424671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 46.

The spelling of 42349424671 in words is "forty-two billion, three hundred forty-nine million, four hundred twenty-four thousand, six hundred seventy-one".