42530306345 has 16 divisors (see below), whose sum is σ = 53393534208. Its totient is φ = 32488114560.

The previous prime is 42530306339. The next prime is 42530306387. The reversal of 42530306345 is 54360303524.

It is not a de Polignac number, because 42530306345 - 2⁶ = 42530306281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 2197439 + ... + 2216708.

It is an arithmetic number, because the mean of its divisors is an integer number (3337095888).

Almost surely, 2^42530306345 is an apocalyptic number.

It is an amenable number.

42530306345 is a deficient number, since it is larger than the sum of its proper divisors (10863227863).

42530306345 is a wasteful number, since it uses less digits than its factorization.

42530306345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414240.

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 42530306345 its reverse (54360303524), we get a palindrome (96890609869).

The spelling of 42530306345 in words is "forty-two billion, five hundred thirty million, three hundred six thousand, three hundred forty-five".