12444813356 has 6 divisors (see below), whose sum is σ = 21778423380. Its totient is φ = 6222406676.

The previous prime is 12444813319. The next prime is 12444813371. The reversal of 12444813356 is 65331844421.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555601666 + ... + 1555601673.

It is an arithmetic number, because the mean of its divisors is an integer number (3629737230).

Almost surely, 2^12444813356 is an apocalyptic number.

It is an amenable number.

12444813356 is a deficient number, since it is larger than the sum of its proper divisors (9333610024).

12444813356 is a wasteful number, since it uses less digits than its factorization.

12444813356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111203343 (or 3111203341 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The spelling of 12444813356 in words is "twelve billion, four hundred forty-four million, eight hundred thirteen thousand, three hundred fifty-six".