12488969894 has 4 divisors (see below), whose sum is σ = 18733454844. Its totient is φ = 6244484946.

The previous prime is 12488969881. The next prime is 12488969921. The reversal of 12488969894 is 49896988421.

12488969894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3122242472 + ... + 3122242475.

It is an arithmetic number, because the mean of its divisors is an integer number (4683363711).

Almost surely, 2^12488969894 is an apocalyptic number.

12488969894 is a deficient number, since it is larger than the sum of its proper divisors (6244484950).

12488969894 is an equidigital number, since it uses as much as digits as its factorization.

12488969894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6244484949.

The product of its digits is 71663616, while the sum is 68.

The spelling of 12488969894 in words is "twelve billion, four hundred eighty-eight million, nine hundred sixty-nine thousand, eight hundred ninety-four".