42524646589 has 2 divisors, whose sum is σ = 42524646590. Its totient is φ = 42524646588.

The previous prime is 42524646523. The next prime is 42524646611. The reversal of 42524646589 is 98564642524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34723340964 + 7801305625 = 186342^2 + 88325^2 .

It is a cyclic number.

It is not a de Polignac number, because 42524646589 - 2¹¹ = 42524644541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42524626589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21262323294 + 21262323295.

It is an arithmetic number, because the mean of its divisors is an integer number (21262323295).

Almost surely, 2^42524646589 is an apocalyptic number.

It is an amenable number.

42524646589 is a deficient number, since it is larger than the sum of its proper divisors (1).

42524646589 is an equidigital number, since it uses as much as digits as its factorization.

42524646589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16588800, while the sum is 55.

The spelling of 42524646589 in words is "forty-two billion, five hundred twenty-four million, six hundred forty-six thousand, five hundred eighty-nine".