12749119743 has 16 divisors (see below), whose sum is σ = 17305651296. Its totient is φ = 8346455040.

The previous prime is 12749119741. The next prime is 12749119753. The reversal of 12749119743 is 34791194721.

It is a Cunningham number, because it is equal to 112912²-1.

It is not a de Polignac number, because 12749119743 - 2¹ = 12749119741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12749119692 and 12749119701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12749119741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56455 + ... + 169367.

It is an arithmetic number, because the mean of its divisors is an integer number (1081603206).

Almost surely, 2^12749119743 is an apocalyptic number.

12749119743 is a deficient number, since it is larger than the sum of its proper divisors (4556531553).

12749119743 is a wasteful number, since it uses less digits than its factorization.

12749119743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113594.

The product of its digits is 381024, while the sum is 48.

The spelling of 12749119743 in words is "twelve billion, seven hundred forty-nine million, one hundred nineteen thousand, seven hundred forty-three".