9489145730 has 8 divisors (see below), whose sum is σ = 17080462332. Its totient is φ = 3795658288.

The previous prime is 9489145723. The next prime is 9489145769. The reversal of 9489145730 is 375419849.

9489145730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8711795569 + 777350161 = 93337^2 + 27881^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474457277 + ... + 474457296.

Almost surely, 2^9489145730 is an apocalyptic number.

9489145730 is a deficient number, since it is larger than the sum of its proper divisors (7591316602).

9489145730 is a wasteful number, since it uses less digits than its factorization.

9489145730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948914580.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 9489145730 is about 97412.2463040454. The cubic root of 9489145730 is about 2117.1048746835.

The spelling of 9489145730 in words is "nine billion, four hundred eighty-nine million, one hundred forty-five thousand, seven hundred thirty".