9128213064 has 48 divisors (see below), whose sum is σ = 24810278220. Its totient is φ = 3031902720.

The previous prime is 9128213027. The next prime is 9128213071. The reversal of 9128213064 is 4603128219.

It can be written as a sum of positive squares in 2 ways, for example, as 9052000164 + 76212900 = 95142^2 + 8730^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205357 + ... + 245820.

Almost surely, 2^9128213064 is an apocalyptic number.

It is an amenable number.

9128213064 is an abundant number, since it is smaller than the sum of its proper divisors (15682065156).

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

9128213064 is a wasteful number, since it uses less digits than its factorization.

9128213064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451470 (or 451463 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 9128213064 is about 95541.6823381293. The cubic root of 9128213064 is about 2089.9148385284.

The spelling of 9128213064 in words is "nine billion, one hundred twenty-eight million, two hundred thirteen thousand, sixty-four".