9607891641 has 4 divisors (see below), whose sum is σ = 12810522192. Its totient is φ = 6405261092.

The previous prime is 9607891583. The next prime is 9607891687. The reversal of 9607891641 is 1461987069.

It is a happy number.

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 9607891641 - 2⁹ = 9607891129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9607891841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1601315271 + ... + 1601315276.

It is an arithmetic number, because the mean of its divisors is an integer number (3202630548).

Almost surely, 2^9607891641 is an apocalyptic number.

It is an amenable number.

9607891641 is a deficient number, since it is larger than the sum of its proper divisors (3202630551).

9607891641 is a wasteful number, since it uses less digits than its factorization.

9607891641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202630550.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 9607891641 is about 98019.8533002371. The cubic root of 9607891641 is about 2125.8993482997.

The spelling of 9607891641 in words is "nine billion, six hundred seven million, eight hundred ninety-one thousand, six hundred forty-one".