9489470689 has 4 divisors (see below), whose sum is σ = 9492392880. Its totient is φ = 9486548500.

The previous prime is 9489470681. The next prime is 9489470693. The reversal of 9489470689 is 9860749849.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9489470689 - 2³ = 9489470681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9489470689.

It is not an unprimeable number, because it can be changed into a prime (9489470681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1456219 + ... + 1462720.

It is an arithmetic number, because the mean of its divisors is an integer number (2373098220).

Almost surely, 2^9489470689 is an apocalyptic number.

It is an amenable number.

9489470689 is a deficient number, since it is larger than the sum of its proper divisors (2922191).

9489470689 is a wasteful number, since it uses less digits than its factorization.

9489470689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922190.

The product of its (nonzero) digits is 31352832, while the sum is 64.

The square root of 9489470689 is about 97413.9142474010. The cubic root of 9489470689 is about 2117.1290413981.

The spelling of 9489470689 in words is "nine billion, four hundred eighty-nine million, four hundred seventy thousand, six hundred eighty-nine".