9688892321 has 2 divisors, whose sum is σ = 9688892322. Its totient is φ = 9688892320.

The previous prime is 9688892287. The next prime is 9688892329. The reversal of 9688892321 is 1232988869.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6718097296 + 2970795025 = 81964^2 + 54505^2 .

It is a cyclic number.

It is not a de Polignac number, because 9688892321 - 2¹⁸ = 9688630177 is a prime.

It is not a weakly prime, because it can be changed into another prime (9688892329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4844446160 + 4844446161.

It is an arithmetic number, because the mean of its divisors is an integer number (4844446161).

Almost surely, 2^9688892321 is an apocalyptic number.

It is an amenable number.

9688892321 is a deficient number, since it is larger than the sum of its proper divisors (1).

9688892321 is an equidigital number, since it uses as much as digits as its factorization.

9688892321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 56.

The square root of 9688892321 is about 98432.1711687800. The cubic root of 9688892321 is about 2131.8568686493.

The spelling of 9688892321 in words is "nine billion, six hundred eighty-eight million, eight hundred ninety-two thousand, three hundred twenty-one".