12938273854749 has 12 divisors (see below), whose sum is σ = 18694976664000. Its totient is φ = 8622581038344.

The previous prime is 12938273854703. The next prime is 12938273854783. The reversal of 12938273854749 is 94745837283921.

12938273854749 is a `hidden beast` number, since 1 + 2 + 9 + 3 + 8 + 2 + 7 + 38 + 547 + 49 = 666.

It is not a de Polignac number, because 12938273854749 - 2¹¹ = 12938273852701 is a prime.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12938273854249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244544149 + ... + 244597050.

It is an arithmetic number, because the mean of its divisors is an integer number (1557914722000).

Almost surely, 2^{12938273854749} is an apocalyptic number.

It is an amenable number.

12938273854749 is a deficient number, since it is larger than the sum of its proper divisors (5756702809251).

12938273854749 is a wasteful number, since it uses less digits than its factorization.

12938273854749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489144144 (or 489144141 counting only the distinct ones).

The product of its digits is 731566080, while the sum is 72.

The spelling of 12938273854749 in words is "twelve trillion, nine hundred thirty-eight billion, two hundred seventy-three million, eight hundred fifty-four thousand, seven hundred forty-nine".