990716960999833 has 2 divisors, whose sum is σ = 990716960999834. Its totient is φ = 990716960999832.

The previous prime is 990716960999807. The next prime is 990716960999863. The reversal of 990716960999833 is 338999069617099.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 927227347366464 + 63489613633369 = 30450408^2 + 7968037^2 .

It is a cyclic number.

It is not a de Polignac number, because 990716960999833 - 2⁹ = 990716960999321 is a prime.

It is not a weakly prime, because it can be changed into another prime (990716960999863) 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, 495358480499916 + 495358480499917.

It is an arithmetic number, because the mean of its divisors is an integer number (495358480499917).

Almost surely, 2^{990716960999833} is an apocalyptic number.

It is an amenable number.

990716960999833 is a deficient number, since it is larger than the sum of its proper divisors (1).

990716960999833 is an equidigital number, since it uses as much as digits as its factorization.

990716960999833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9642465504, while the sum is 88.

The spelling of 990716960999833 in words is "nine hundred ninety trillion, seven hundred sixteen billion, nine hundred sixty million, nine hundred ninety-nine thousand, eight hundred thirty-three".