9489212580 has 144 divisors (see below), whose sum is σ = 28370651904. Its totient is φ = 2368565760.

The previous prime is 9489212567. The next prime is 9489212587. The reversal of 9489212580 is 852129849.

It is not an unprimeable number, because it can be changed into a prime (9489212587) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1488600 + ... + 1494960.

It is an arithmetic number, because the mean of its divisors is an integer number (197018416).

Almost surely, 2^9489212580 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 9489212580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14185325952).

9489212580 is an abundant number, since it is smaller than the sum of its proper divisors (18881439324).

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

9489212580 is a wasteful number, since it uses less digits than its factorization.

9489212580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466 (or 6441 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 9489212580 is about 97412.5894327833. The cubic root of 9489212580 is about 2117.1098462630.

The spelling of 9489212580 in words is "nine billion, four hundred eighty-nine million, two hundred twelve thousand, five hundred eighty".