12743843597766 has 48 divisors (see below), whose sum is σ = 28255052517120. Its totient is φ = 4148973385200.

The previous prime is 12743843597753. The next prime is 12743843597851. The reversal of 12743843597766 is 66779534834721.

12743843597766 is a `hidden beast` number, since 1 + 2 + 7 + 4 + 38 + 435 + 97 + 76 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12743843597694 and 12743843597703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17569591 + ... + 18280541.

It is an arithmetic number, because the mean of its divisors is an integer number (588646927440).

Almost surely, 2^{12743843597766} is an apocalyptic number.

12743843597766 is an abundant number, since it is smaller than the sum of its proper divisors (15511208919354).

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

12743843597766 is a wasteful number, since it uses less digits than its factorization.

12743843597766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734161 (or 734158 counting only the distinct ones).

The product of its digits is 1280240640, while the sum is 72.

The spelling of 12743843597766 in words is "twelve trillion, seven hundred forty-three billion, eight hundred forty-three million, five hundred ninety-seven thousand, seven hundred sixty-six".