9385075644 has 144 divisors (see below), whose sum is σ = 26467451136. Its totient is φ = 2578732800.

The previous prime is 9385075621. The next prime is 9385075649. The reversal of 9385075644 is 4465705839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9385075649) 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 47 ways as a sum of consecutive naturals, for example, 1708927 + ... + 1714409.

It is an arithmetic number, because the mean of its divisors is an integer number (183801744).

Almost surely, 2^9385075644 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 9385075644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13233725568).

9385075644 is an abundant number, since it is smaller than the sum of its proper divisors (17082375492).

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

9385075644 is a wasteful number, since it uses less digits than its factorization.

9385075644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616 (or 5607 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The square root of 9385075644 is about 96876.6000848502. The cubic root of 9385075644 is about 2109.3367818924.

The spelling of 9385075644 in words is "nine billion, three hundred eighty-five million, seventy-five thousand, six hundred forty-four".