9630982121 has 2 divisors, whose sum is σ = 9630982122. Its totient is φ = 9630982120.

The previous prime is 9630982117. The next prime is 9630982129. The reversal of 9630982121 is 1212890369.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4908543721 + 4722438400 = 70061^2 + 68720^2 .

It is an emirp because it is prime and its reverse (1212890369) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9630982121 - 2² = 9630982117 is a prime.

It is not a weakly prime, because it can be changed into another prime (9630982129) 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, 4815491060 + 4815491061.

It is an arithmetic number, because the mean of its divisors is an integer number (4815491061).

Almost surely, 2^9630982121 is an apocalyptic number.

It is an amenable number.

9630982121 is a deficient number, since it is larger than the sum of its proper divisors (1).

9630982121 is an equidigital number, since it uses as much as digits as its factorization.

9630982121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 9630982121 is about 98137.5673277059. The cubic root of 9630982121 is about 2127.6010315442.

The spelling of 9630982121 in words is "nine billion, six hundred thirty million, nine hundred eighty-two thousand, one hundred twenty-one".