9201989329 has 27 divisors (see below), whose sum is σ = 10246060017. Its totient is φ = 8260465824.

The previous prime is 9201989311. The next prime is 9201989359. The reversal of 9201989329 is 9239891029.

The square root of 9201989329 is 95927.

It is a perfect power (a square), and thus also a powerful number.

9201989329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2967307729 + 6234681600 = 54473^2 + 78960^2 .

It is not a de Polignac number, because 9201989329 - 2⁵ = 9201989297 is a prime.

It is a super-2 number, since 2×9201989329² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9201989309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 58611319 + ... + 58611475.

Almost surely, 2^9201989329 is an apocalyptic number.

9201989329 is the 95927-th square number.

9201989329 is the 47964-th centered octagonal number.

It is an amenable number.

9201989329 is a deficient number, since it is larger than the sum of its proper divisors (1044070688).

9201989329 is an equidigital number, since it uses as much as digits as its factorization.

9201989329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 52.

The cubic root of 9201989329 is about 2095.5301243872.

The spelling of 9201989329 in words is "nine billion, two hundred one million, nine hundred eighty-nine thousand, three hundred twenty-nine".