825423936198 has 16 divisors (see below), whose sum is σ = 1722623867136. Its totient is φ = 263178646280.

The previous prime is 825423936191. The next prime is 825423936217. The reversal of 825423936198 is 891639324528.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825423936191) 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 in 7 ways as a sum of consecutive naturals, for example, 2990666298 + ... + 2990666573.

It is an arithmetic number, because the mean of its divisors is an integer number (107663991696).

Almost surely, 2^825423936198 is an apocalyptic number.

825423936198 is an abundant number, since it is smaller than the sum of its proper divisors (897199930938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825423936198 is a wasteful number, since it uses less digits than its factorization.

825423936198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5981332899.

The product of its digits is 22394880, while the sum is 60.

The spelling of 825423936198 in words is "eight hundred twenty-five billion, four hundred twenty-three million, nine hundred thirty-six thousand, one hundred ninety-eight".