9807582961 has 4 divisors (see below), whose sum is σ = 10699181424. Its totient is φ = 8915984500.

The previous prime is 9807582947. The next prime is 9807582971. The reversal of 9807582961 is 1692857089.

9807582961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9807582961 - 2¹⁷ = 9807451889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9807582971) 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 3 ways as a sum of consecutive naturals, for example, 445799215 + ... + 445799236.

It is an arithmetic number, because the mean of its divisors is an integer number (2674795356).

Almost surely, 2^9807582961 is an apocalyptic number.

It is an amenable number.

9807582961 is a deficient number, since it is larger than the sum of its proper divisors (891598463).

9807582961 is a wasteful number, since it uses less digits than its factorization.

9807582961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891598462.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The square root of 9807582961 is about 99033.2416969171. The cubic root of 9807582961 is about 2140.5267693972.

The spelling of 9807582961 in words is "nine billion, eight hundred seven million, five hundred eighty-two thousand, nine hundred sixty-one".