12993585793 has 2 divisors, whose sum is σ = 12993585794. Its totient is φ = 12993585792.

The previous prime is 12993585733. The next prime is 12993585797. The reversal of 12993585793 is 39758539921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7721664129 + 5271921664 = 87873^2 + 72608^2 .

It is a cyclic number.

It is not a de Polignac number, because 12993585793 - 2²¹ = 12991488641 is a prime.

It is not a weakly prime, because it can be changed into another prime (12993585797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6496792896 + 6496792897.

It is an arithmetic number, because the mean of its divisors is an integer number (6496792897).

Almost surely, 2^12993585793 is an apocalyptic number.

It is an amenable number.

12993585793 is a deficient number, since it is larger than the sum of its proper divisors (1).

12993585793 is an equidigital number, since it uses as much as digits as its factorization.

12993585793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18370800, while the sum is 61.

The spelling of 12993585793 in words is "twelve billion, nine hundred ninety-three million, five hundred eighty-five thousand, seven hundred ninety-three".