89817348529 has 2 divisors, whose sum is σ = 89817348530. Its totient is φ = 89817348528.

The previous prime is 89817348437. The next prime is 89817348539. The reversal of 89817348529 is 92584371898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89344199025 + 473149504 = 298905^2 + 21752^2 .

It is a cyclic number.

It is not a de Polignac number, because 89817348529 - 2¹⁵ = 89817315761 is a prime.

It is not a weakly prime, because it can be changed into another prime (89817348539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44908674264 + 44908674265.

It is an arithmetic number, because the mean of its divisors is an integer number (44908674265).

Almost surely, 2^89817348529 is an apocalyptic number.

It is an amenable number.

89817348529 is a deficient number, since it is larger than the sum of its proper divisors (1).

89817348529 is an equidigital number, since it uses as much as digits as its factorization.

89817348529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34836480, while the sum is 64.

The spelling of 89817348529 in words is "eighty-nine billion, eight hundred seventeen million, three hundred forty-eight thousand, five hundred twenty-nine".