9384722646 has 64 divisors (see below), whose sum is σ = 20625506496. Its totient is φ = 2829312000.

The previous prime is 9384722563. The next prime is 9384722663. The reversal of 9384722646 is 6462274839.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 758026 + ... + 770306.

It is an arithmetic number, because the mean of its divisors is an integer number (322273539).

Almost surely, 2^9384722646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9384722646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10312753248).

9384722646 is an abundant number, since it is smaller than the sum of its proper divisors (11240783850).

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

9384722646 is a wasteful number, since it uses less digits than its factorization.

9384722646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12497.

The product of its digits is 3483648, while the sum is 51.

The square root of 9384722646 is about 96874.7781726493. The cubic root of 9384722646 is about 2109.3103356129.

The spelling of 9384722646 in words is "nine billion, three hundred eighty-four million, seven hundred twenty-two thousand, six hundred forty-six".