42530563213 has 4 divisors (see below), whose sum is σ = 42536995360. Its totient is φ = 42524131068.

The previous prime is 42530563211. The next prime is 42530563237. The reversal of 42530563213 is 31236503524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42530563213 - 2¹ = 42530563211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42530563211) 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 in 3 ways as a sum of consecutive naturals, for example, 3206145 + ... + 3219382.

It is an arithmetic number, because the mean of its divisors is an integer number (10634248840).

Almost surely, 2^42530563213 is an apocalyptic number.

It is an amenable number.

42530563213 is a deficient number, since it is larger than the sum of its proper divisors (6432147).

42530563213 is an equidigital number, since it uses as much as digits as its factorization.

42530563213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432146.

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 42530563213 in words is "forty-two billion, five hundred thirty million, five hundred sixty-three thousand, two hundred thirteen".