9682966921 has 2 divisors, whose sum is σ = 9682966922. Its totient is φ = 9682966920.

The previous prime is 9682966907. The next prime is 9682966957. The reversal of 9682966921 is 1296692869.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5987664400 + 3695302521 = 77380^2 + 60789^2 .

It is a cyclic number.

It is not a de Polignac number, because 9682966921 - 2⁵ = 9682966889 is a prime.

It is not a weakly prime, because it can be changed into another prime (9682966421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4841483460 + 4841483461.

It is an arithmetic number, because the mean of its divisors is an integer number (4841483461).

Almost surely, 2^9682966921 is an apocalyptic number.

It is an amenable number.

9682966921 is a deficient number, since it is larger than the sum of its proper divisors (1).

9682966921 is an equidigital number, since it uses as much as digits as its factorization.

9682966921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 58.

The square root of 9682966921 is about 98402.0676662843. The cubic root of 9682966921 is about 2131.4221894219.

The spelling of 9682966921 in words is "nine billion, six hundred eighty-two million, nine hundred sixty-six thousand, nine hundred twenty-one".