42424202239 has 2 divisors, whose sum is σ = 42424202240. Its totient is φ = 42424202238.

The previous prime is 42424202237. The next prime is 42424202263. The reversal of 42424202239 is 93220242424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42424202239 - 2¹ = 42424202237 is a prime.

It is a super-2 number, since 2×42424202239² (a number of 22 digits) contains 22 as substring.

Together with 42424202237, 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 (42424202237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21212101119 + 21212101120.

It is an arithmetic number, because the mean of its divisors is an integer number (21212101120).

Almost surely, 2^42424202239 is an apocalyptic number.

42424202239 is a deficient number, since it is larger than the sum of its proper divisors (1).

42424202239 is an equidigital number, since it uses as much as digits as its factorization.

42424202239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 42424202239 in words is "forty-two billion, four hundred twenty-four million, two hundred two thousand, two hundred thirty-nine".