9641422844 has 12 divisors (see below), whose sum is σ = 16903681368. Its totient is φ = 4811799600.

The previous prime is 9641422837. The next prime is 9641422883. The reversal of 9641422844 is 4482241469.

It is a junction number, because it is equal to n+sod(n) for n = 9641422795 and 9641422804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2225522 + ... + 2229849.

It is an arithmetic number, because the mean of its divisors is an integer number (1408640114).

Almost surely, 2^9641422844 is an apocalyptic number.

It is an amenable number.

9641422844 is a deficient number, since it is larger than the sum of its proper divisors (7262258524).

9641422844 is a wasteful number, since it uses less digits than its factorization.

9641422844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455916 (or 4455914 counting only the distinct ones).

The product of its digits is 442368, while the sum is 44.

The square root of 9641422844 is about 98190.7472422937. The cubic root of 9641422844 is about 2128.3695814339.

The spelling of 9641422844 in words is "nine billion, six hundred forty-one million, four hundred twenty-two thousand, eight hundred forty-four".