42252663589 has 2 divisors, whose sum is σ = 42252663590. Its totient is φ = 42252663588.

The previous prime is 42252663559. The next prime is 42252663641. The reversal of 42252663589 is 98536625224.

It is an a-pointer prime, because the next prime (42252663641) can be obtained adding 42252663589 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38316105025 + 3936558564 = 195745^2 + 62742^2 .

It is a cyclic number.

It is not a de Polignac number, because 42252663589 - 2⁹ = 42252663077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42252663559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21126331794 + 21126331795.

It is an arithmetic number, because the mean of its divisors is an integer number (21126331795).

Almost surely, 2^42252663589 is an apocalyptic number.

It is an amenable number.

42252663589 is a deficient number, since it is larger than the sum of its proper divisors (1).

42252663589 is an equidigital number, since it uses as much as digits as its factorization.

42252663589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6220800, while the sum is 52.

The spelling of 42252663589 in words is "forty-two billion, two hundred fifty-two million, six hundred sixty-three thousand, five hundred eighty-nine".