12809079243793 has 16 divisors (see below), whose sum is σ = 15145437168000. Its totient is φ = 10599428593152.

The previous prime is 12809079243791. The next prime is 12809079243811. The reversal of 12809079243793 is 39734297090821.

It is not a de Polignac number, because 12809079243793 - 2¹ = 12809079243791 is a prime.

It is a super-2 number, since 2×12809079243793² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12809079243791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1720783 + ... + 5345956.

It is an arithmetic number, because the mean of its divisors is an integer number (946589823000).

Almost surely, 2^{12809079243793} is an apocalyptic number.

It is an amenable number.

12809079243793 is a deficient number, since it is larger than the sum of its proper divisors (2336357924207).

12809079243793 is an equidigital number, since it uses as much as digits as its factorization.

12809079243793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7075704.

The product of its (nonzero) digits is 41150592, while the sum is 64.

The spelling of 12809079243793 in words is "twelve trillion, eight hundred nine billion, seventy-nine million, two hundred forty-three thousand, seven hundred ninety-three".