1298023669717 has 2 divisors, whose sum is σ = 1298023669718. Its totient is φ = 1298023669716.

The previous prime is 1298023669703. The next prime is 1298023669751. The reversal of 1298023669717 is 7179663208921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1223974919556 + 74048750161 = 1106334^2 + 272119^2 .

It is a cyclic number.

It is not a de Polignac number, because 1298023669717 - 2⁷ = 1298023669589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1298023669757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649011834858 + 649011834859.

It is an arithmetic number, because the mean of its divisors is an integer number (649011834859).

Almost surely, 2^{1298023669717} is an apocalyptic number.

It is an amenable number.

1298023669717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1298023669717 is an equidigital number, since it uses as much as digits as its factorization.

1298023669717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13716864, while the sum is 61.

The spelling of 1298023669717 in words is "one trillion, two hundred ninety-eight billion, twenty-three million, six hundred sixty-nine thousand, seven hundred seventeen".