28825605630589 has 2 divisors, whose sum is σ = 28825605630590. Its totient is φ = 28825605630588.

The previous prime is 28825605630587. The next prime is 28825605630629. The reversal of 28825605630589 is 98503650652882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17927882261689 + 10897723368900 = 4234133^2 + 3301170^2 .

It is a cyclic number.

It is not a de Polignac number, because 28825605630589 - 2¹ = 28825605630587 is a prime.

Together with 28825605630587, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28825605630587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14412802815294 + 14412802815295.

It is an arithmetic number, because the mean of its divisors is an integer number (14412802815295).

Almost surely, 2^{28825605630589} is an apocalyptic number.

It is an amenable number.

28825605630589 is a deficient number, since it is larger than the sum of its proper divisors (1).

28825605630589 is an equidigital number, since it uses as much as digits as its factorization.

28825605630589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832000, while the sum is 67.

The spelling of 28825605630589 in words is "twenty-eight trillion, eight hundred twenty-five billion, six hundred five million, six hundred thirty thousand, five hundred eighty-nine".