42530306339 has 2 divisors, whose sum is σ = 42530306340. Its totient is φ = 42530306338.

The previous prime is 42530306327. The next prime is 42530306387. The reversal of 42530306339 is 93360303524.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42530306339 is a prime.

It is not a weakly prime, because it can be changed into another prime (42530306239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21265153169 + 21265153170.

It is an arithmetic number, because the mean of its divisors is an integer number (21265153170).

Almost surely, 2^42530306339 is an apocalyptic number.

42530306339 is a deficient number, since it is larger than the sum of its proper divisors (1).

42530306339 is an equidigital number, since it uses as much as digits as its factorization.

42530306339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 38.

The spelling of 42530306339 in words is "forty-two billion, five hundred thirty million, three hundred six thousand, three hundred thirty-nine".