9749385522 has 90 divisors (see below), whose sum is σ = 23062644033. Its totient is φ = 2975965056.

The previous prime is 9749385509. The next prime is 9749385523. The reversal of 9749385522 is 2255839479.

It can be written as a sum of positive squares in 8 ways, for example, as 8506188441 + 1243197081 = 92229^2 + 35259^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=69819.

It is not an unprimeable number, because it can be changed into a prime (9749385523) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 263496888 + ... + 263496924.

Almost surely, 2^9749385522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9749385522

9749385522 is an abundant number, since it is smaller than the sum of its proper divisors (13313258511).

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

9749385522 is an frugal number, since it uses more digits than its factorization.

9749385522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 59 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 9749385522 is about 98738.9767113271. The cubic root of 9749385522 is about 2136.2844603375.

The spelling of 9749385522 in words is "nine billion, seven hundred forty-nine million, three hundred eighty-five thousand, five hundred twenty-two".