1298798317373 has 2 divisors, whose sum is σ = 1298798317374. Its totient is φ = 1298798317372.

The previous prime is 1298798317343. The next prime is 1298798317423. The reversal of 1298798317373 is 3737138978921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 781487824324 + 517310493049 = 884018^2 + 719243^2 .

It is a cyclic number.

It is not a de Polignac number, because 1298798317373 - 2⁴⁰ = 199286689597 is a prime.

It is a super-2 number, since 2×1298798317373² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1298798317343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649399158686 + 649399158687.

It is an arithmetic number, because the mean of its divisors is an integer number (649399158687).

Almost surely, 2^{1298798317373} is an apocalyptic number.

It is an amenable number.

1298798317373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1298798317373 is an equidigital number, since it uses as much as digits as its factorization.

1298798317373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96018048, while the sum is 68.

The spelling of 1298798317373 in words is "one trillion, two hundred ninety-eight billion, seven hundred ninety-eight million, three hundred seventeen thousand, three hundred seventy-three".