9643464443488 has 48 divisors (see below), whose sum is σ = 19649544425280. Its totient is φ = 4653261398016.

The previous prime is 9643464443461. The next prime is 9643464443489. The reversal of 9643464443488 is 8843444643469.

It is a super-2 number, since 2×9643464443488² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9643464443489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498120 + ... + 4419847.

It is an arithmetic number, because the mean of its divisors is an integer number (409365508860).

Almost surely, 2^{9643464443488} is an apocalyptic number.

It is an amenable number.

9643464443488 is an abundant number, since it is smaller than the sum of its proper divisors (10006079981792).

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

9643464443488 is a wasteful number, since it uses less digits than its factorization.

9643464443488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4920119 (or 4920111 counting only the distinct ones).

The product of its digits is 764411904, while the sum is 67.

The spelling of 9643464443488 in words is "nine trillion, six hundred forty-three billion, four hundred sixty-four million, four hundred forty-three thousand, four hundred eighty-eight".