12738313363944 has 96 divisors (see below), whose sum is σ = 37047698896320. Its totient is φ = 3639262281984.

The previous prime is 12738313363933. The next prime is 12738313363999. The reversal of 12738313363944 is 44936331383721.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16682092 + ... + 17428964.

It is an arithmetic number, because the mean of its divisors is an integer number (385913530170).

Almost surely, 2^{12738313363944} is an apocalyptic number.

12738313363944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12738313363944 is an abundant number, since it is smaller than the sum of its proper divisors (24309385532376).

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

12738313363944 is a wasteful number, since it uses less digits than its factorization.

12738313363944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761399 (or 761388 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 57.

The spelling of 12738313363944 in words is "twelve trillion, seven hundred thirty-eight billion, three hundred thirteen million, three hundred sixty-three thousand, nine hundred forty-four".