9973090320449 has 2 divisors, whose sum is σ = 9973090320450. Its totient is φ = 9973090320448.

The previous prime is 9973090320373. The next prime is 9973090320521. The reversal of 9973090320449 is 9440230903799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9973090320400 + 49 = 3158020^2 + 7^2 .

It is a cyclic number.

It is not a de Polignac number, because 9973090320449 - 2⁴⁰ = 8873578692673 is a prime.

It is not a weakly prime, because it can be changed into another prime (9973090320649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4986545160224 + 4986545160225.

It is an arithmetic number, because the mean of its divisors is an integer number (4986545160225).

Almost surely, 2^{9973090320449} is an apocalyptic number.

It is an amenable number.

9973090320449 is a deficient number, since it is larger than the sum of its proper divisors (1).

9973090320449 is an equidigital number, since it uses as much as digits as its factorization.

9973090320449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13226976, while the sum is 59.

It can be divided in two parts, 99730903204 and 49, that multiplied together give a square (4886814256996 = 2210614²).

The spelling of 9973090320449 in words is "nine trillion, nine hundred seventy-three billion, ninety million, three hundred twenty thousand, four hundred forty-nine".