12759885049 has 2 divisors, whose sum is σ = 12759885050. Its totient is φ = 12759885048.

The previous prime is 12759885031. The next prime is 12759885121. The reversal of 12759885049 is 94058895721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8378107024 + 4381778025 = 91532^2 + 66195^2 .

It is a cyclic number.

It is not a de Polignac number, because 12759885049 - 2²³ = 12751496441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12759884984 and 12759885002.

It is not a weakly prime, because it can be changed into another prime (12759885349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6379942524 + 6379942525.

It is an arithmetic number, because the mean of its divisors is an integer number (6379942525).

Almost surely, 2^12759885049 is an apocalyptic number.

It is an amenable number.

12759885049 is a deficient number, since it is larger than the sum of its proper divisors (1).

12759885049 is an equidigital number, since it uses as much as digits as its factorization.

12759885049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 58.

The spelling of 12759885049 in words is "twelve billion, seven hundred fifty-nine million, eight hundred eighty-five thousand, forty-nine".