12596351993 has 2 divisors, whose sum is σ = 12596351994. Its totient is φ = 12596351992.

The previous prime is 12596351987. The next prime is 12596352019. The reversal of 12596351993 is 39915369521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11785924969 + 810427024 = 108563^2 + 28468^2 .

It is a cyclic number.

It is not a de Polignac number, because 12596351993 - 2²² = 12592157689 is a prime.

It is not a weakly prime, because it can be changed into another prime (12596351393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6298175996 + 6298175997.

It is an arithmetic number, because the mean of its divisors is an integer number (6298175997).

Almost surely, 2^12596351993 is an apocalyptic number.

It is an amenable number.

12596351993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12596351993 is an equidigital number, since it uses as much as digits as its factorization.

12596351993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1968300, while the sum is 53.

The spelling of 12596351993 in words is "twelve billion, five hundred ninety-six million, three hundred fifty-one thousand, nine hundred ninety-three".