12975943743 has 32 divisors (see below), whose sum is σ = 21976409600. Its totient is φ = 7412611968.

The previous prime is 12975943727. The next prime is 12975943759. The reversal of 12975943743 is 34734957921.

12975943743 is a `hidden beast` number, since 1 + 2 + 9 + 7 + 594 + 3 + 7 + 43 = 666.

12975943743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 113912²-1.

It is an interprime number because it is at equal distance from previous prime (12975943727) and next prime (12975943759).

It is not a de Polignac number, because 12975943743 - 2⁴ = 12975943727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12975943743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12975943703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 789255 + ... + 805527.

It is an arithmetic number, because the mean of its divisors is an integer number (686762800).

Almost surely, 2^12975943743 is an apocalyptic number.

12975943743 is a deficient number, since it is larger than the sum of its proper divisors (9000465857).

12975943743 is a wasteful number, since it uses less digits than its factorization.

12975943743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20508 (or 20502 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The spelling of 12975943743 in words is "twelve billion, nine hundred seventy-five million, nine hundred forty-three thousand, seven hundred forty-three".