9641223721024 has 175 divisors, whose sum is σ = 22572735400667. Its totient is φ = 4085526584832.

The previous prime is 9641223721013. The next prime is 9641223721027. The reversal of 9641223721024 is 4201273221469.

The square root of 9641223721024 is 3105032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3657916354624 + 5983307366400 = 1912568^2 + 2446080^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=4, B=1246.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9641223721027) by changing a digit.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 108328356372 + ... + 108328356460.

Almost surely, 2^{9641223721024} is an apocalyptic number.

9641223721024 is the 3105032-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9641223721024

9641223721024 is an abundant number, since it is smaller than the sum of its proper divisors (12931511679643).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9641223721024 is an frugal number, since it uses more digits than its factorization.

9641223721024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 9641223721024 in words is "nine trillion, six hundred forty-one billion, two hundred twenty-three million, seven hundred twenty-one thousand, twenty-four".