42328512529 has 2 divisors, whose sum is σ = 42328512530. Its totient is φ = 42328512528.

The previous prime is 42328512511. The next prime is 42328512587. The reversal of 42328512529 is 92521582324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42310433025 + 18079504 = 205695^2 + 4252^2 .

It is a cyclic number.

It is not a de Polignac number, because 42328512529 - 2³³ = 33738577937 is a prime.

It is not a weakly prime, because it can be changed into another prime (42328512029) 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, 21164256264 + 21164256265.

It is an arithmetic number, because the mean of its divisors is an integer number (21164256265).

Almost surely, 2^42328512529 is an apocalyptic number.

It is an amenable number.

42328512529 is a deficient number, since it is larger than the sum of its proper divisors (1).

42328512529 is an equidigital number, since it uses as much as digits as its factorization.

42328512529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 43.

The spelling of 42328512529 in words is "forty-two billion, three hundred twenty-eight million, five hundred twelve thousand, five hundred twenty-nine".