9573956961 has 4 divisors (see below), whose sum is σ = 12765275952. Its totient is φ = 6382637972.

The previous prime is 9573956927. The next prime is 9573956981. The reversal of 9573956961 is 1696593759.

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 9573956961 - 2⁹ = 9573956449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9573956895 and 9573956904.

It is not an unprimeable number, because it can be changed into a prime (9573956981) 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 in 3 ways as a sum of consecutive naturals, for example, 1595659491 + ... + 1595659496.

It is an arithmetic number, because the mean of its divisors is an integer number (3191318988).

Almost surely, 2^9573956961 is an apocalyptic number.

It is an amenable number.

9573956961 is a deficient number, since it is larger than the sum of its proper divisors (3191318991).

9573956961 is a wasteful number, since it uses less digits than its factorization.

9573956961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191318990.

The product of its digits is 13778100, while the sum is 60.

The square root of 9573956961 is about 97846.5991284316. The cubic root of 9573956961 is about 2123.3935326742.

The spelling of 9573956961 in words is "nine billion, five hundred seventy-three million, nine hundred fifty-six thousand, nine hundred sixty-one".