12825398939 has 4 divisors (see below), whose sum is σ = 12827963400. Its totient is φ = 12822834480.

The previous prime is 12825398921. The next prime is 12825398953. The reversal of 12825398939 is 93989352821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12825398939 - 2¹² = 12825394843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12825398539) 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 3 ways as a sum of consecutive naturals, for example, 1274714 + ... + 1284735.

It is an arithmetic number, because the mean of its divisors is an integer number (3206990850).

Almost surely, 2^12825398939 is an apocalyptic number.

12825398939 is a deficient number, since it is larger than the sum of its proper divisors (2564461).

12825398939 is an equidigital number, since it uses as much as digits as its factorization.

12825398939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564460.

The product of its digits is 8398080, while the sum is 59.

The spelling of 12825398939 in words is "twelve billion, eight hundred twenty-five million, three hundred ninety-eight thousand, nine hundred thirty-nine".