9389706722 has 18 divisors (see below), whose sum is σ = 15483861729. Its totient is φ = 4267363320.

The previous prime is 9389706721. The next prime is 9389706731. The reversal of 9389706722 is 2276079839.

It can be written as a sum of positive squares in 2 ways, for example, as 9389416201 + 290521 = 96899^2 + 539^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=68519.

It is a super-3 number, since 3×9389706722³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9389706721) 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 8 ways as a sum of consecutive naturals, for example, 1504304 + ... + 1510532.

Almost surely, 2^9389706722 is an apocalyptic number.

9389706722 is a deficient number, since it is larger than the sum of its proper divisors (6094155007).

9389706722 is an frugal number, since it uses more digits than its factorization.

9389706722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12482 (or 6242 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 9389706722 is about 96900.4990802421. The cubic root of 9389706722 is about 2109.6836765158.

The spelling of 9389706722 in words is "nine billion, three hundred eighty-nine million, seven hundred six thousand, seven hundred twenty-two".