825608288189 has 2 divisors, whose sum is σ = 825608288190. Its totient is φ = 825608288188.

The previous prime is 825608288171. The next prime is 825608288261. The reversal of 825608288189 is 981882806528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 491622540964 + 333985747225 = 701158^2 + 577915^2 .

It is a cyclic number.

It is not a de Polignac number, because 825608288189 - 2²⁴ = 825591510973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825608288149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412804144094 + 412804144095.

It is an arithmetic number, because the mean of its divisors is an integer number (412804144095).

Almost surely, 2^825608288189 is an apocalyptic number.

It is an amenable number.

825608288189 is a deficient number, since it is larger than the sum of its proper divisors (1).

825608288189 is an equidigital number, since it uses as much as digits as its factorization.

825608288189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35389440, while the sum is 65.

The spelling of 825608288189 in words is "eight hundred twenty-five billion, six hundred eight million, two hundred eighty-eight thousand, one hundred eighty-nine".