9643464443480 has 256 divisors, whose sum is σ = 26036998041600. Its totient is φ = 3142880040960.

The previous prime is 9643464443461. The next prime is 9643464443489. The reversal of 9643464443480 is 843444643469.

It is a happy number.

It is a super-2 number, since 2×9643464443480² (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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2784712229 + ... + 2784715691.

It is an arithmetic number, because the mean of its divisors is an integer number (101707023600).

Almost surely, 2^{9643464443480} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9643464443480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13018499020800).

9643464443480 is an abundant number, since it is smaller than the sum of its proper divisors (16393533598120).

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

9643464443480 is a wasteful number, since it uses less digits than its factorization.

9643464443480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6074 (or 6070 counting only the distinct ones).

The product of its (nonzero) digits is 95551488, while the sum is 59.

The spelling of 9643464443480 in words is "nine trillion, six hundred forty-three billion, four hundred sixty-four million, four hundred forty-three thousand, four hundred eighty".