9789182465920 has 512 divisors, whose sum is σ = 28027806105600. Its totient is φ = 3222305832960.

The previous prime is 9789182465863. The next prime is 9789182465939. The reversal of 9789182465920 is 295642819879.

9789182465920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9789182465920² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9789182465920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2467651777 + ... + 2467655743.

It is an arithmetic number, because the mean of its divisors is an integer number (54741808800).

Almost surely, 2^{9789182465920} 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 9789182465920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14013903052800).

9789182465920 is an abundant number, since it is smaller than the sum of its proper divisors (18238623639680).

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

9789182465920 is a wasteful number, since it uses less digits than its factorization.

9789182465920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4526 (or 4514 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 70.

The spelling of 9789182465920 in words is "nine trillion, seven hundred eighty-nine billion, one hundred eighty-two million, four hundred sixty-five thousand, nine hundred twenty".