9973653767929 has 2 divisors, whose sum is σ = 9973653767930. Its totient is φ = 9973653767928.

The previous prime is 9973653767927. The next prime is 9973653768047. The reversal of 9973653767929 is 9297673563799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9839840469904 + 133813298025 = 3136852^2 + 365805^2 .

It is a cyclic number.

It is not a de Polignac number, because 9973653767929 - 2¹ = 9973653767927 is a prime.

Together with 9973653767927, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9973653767927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4986826883964 + 4986826883965.

It is an arithmetic number, because the mean of its divisors is an integer number (4986826883965).

Almost surely, 2^{9973653767929} is an apocalyptic number.

It is an amenable number.

9973653767929 is a deficient number, since it is larger than the sum of its proper divisors (1).

9973653767929 is an equidigital number, since it uses as much as digits as its factorization.

9973653767929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7291370520, while the sum is 82.

The spelling of 9973653767929 in words is "nine trillion, nine hundred seventy-three billion, six hundred fifty-three million, seven hundred sixty-seven thousand, nine hundred twenty-nine".