825323507189 has 2 divisors, whose sum is σ = 825323507190. Its totient is φ = 825323507188.

The previous prime is 825323507147. The next prime is 825323507201. The reversal of 825323507189 is 981705323528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 497271780625 + 328051726564 = 705175^2 + 572758^2 .

It is a cyclic number.

It is not a de Polignac number, because 825323507189 - 2¹⁶ = 825323441653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 825323507189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825323507989) 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, 412661753594 + 412661753595.

It is an arithmetic number, because the mean of its divisors is an integer number (412661753595).

Almost surely, 2^825323507189 is an apocalyptic number.

It is an amenable number.

825323507189 is a deficient number, since it is larger than the sum of its proper divisors (1).

825323507189 is an equidigital number, since it uses as much as digits as its factorization.

825323507189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 825323507189 in words is "eight hundred twenty-five billion, three hundred twenty-three million, five hundred seven thousand, one hundred eighty-nine".