9973090320373 has 2 divisors, whose sum is σ = 9973090320374. Its totient is φ = 9973090320372.

The previous prime is 9973090320359. The next prime is 9973090320449. The reversal of 9973090320373 is 3730230903799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6892215841809 + 3080874478564 = 2625303^2 + 1755242^2 .

It is a cyclic number.

It is not a de Polignac number, because 9973090320373 - 2⁵ = 9973090320341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9973090320173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4986545160186 + 4986545160187.

It is an arithmetic number, because the mean of its divisors is an integer number (4986545160187).

Almost surely, 2^{9973090320373} is an apocalyptic number.

It is an amenable number.

9973090320373 is a deficient number, since it is larger than the sum of its proper divisors (1).

9973090320373 is an equidigital number, since it uses as much as digits as its factorization.

9973090320373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5786802, while the sum is 55.

The spelling of 9973090320373 in words is "nine trillion, nine hundred seventy-three billion, ninety million, three hundred twenty thousand, three hundred seventy-three".