82501608589 has 2 divisors, whose sum is σ = 82501608590. Its totient is φ = 82501608588.

The previous prime is 82501608587. The next prime is 82501608593. The reversal of 82501608589 is 98580610528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74833979364 + 7667629225 = 273558^2 + 87565^2 .

It is a cyclic number.

It is not a de Polignac number, because 82501608589 - 2¹ = 82501608587 is a prime.

Together with 82501608587, 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 (82501608587) 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, 41250804294 + 41250804295.

It is an arithmetic number, because the mean of its divisors is an integer number (41250804295).

Almost surely, 2^82501608589 is an apocalyptic number.

It is an amenable number.

82501608589 is a deficient number, since it is larger than the sum of its proper divisors (1).

82501608589 is an equidigital number, since it uses as much as digits as its factorization.

82501608589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1382400, while the sum is 52.

The spelling of 82501608589 in words is "eighty-two billion, five hundred one million, six hundred eight thousand, five hundred eighty-nine".