9113589649 has 4 divisors (see below), whose sum is σ = 9262992820. Its totient is φ = 8964186480.

The previous prime is 9113589643. The next prime is 9113589703. The reversal of 9113589649 is 9469853119.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2930598225 + 6182991424 = 54135^2 + 78632^2 .

It is a cyclic number.

It is not a de Polignac number, because 9113589649 - 2¹⁷ = 9113458577 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 9113589649.

It is not an unprimeable number, because it can be changed into a prime (9113589643) 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, 74701494 + ... + 74701615.

It is an arithmetic number, because the mean of its divisors is an integer number (2315748205).

Almost surely, 2^9113589649 is an apocalyptic number.

It is an amenable number.

9113589649 is a deficient number, since it is larger than the sum of its proper divisors (149403171).

9113589649 is a wasteful number, since it uses less digits than its factorization.

9113589649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149403170.

The product of its digits is 2099520, while the sum is 55.

The square root of 9113589649 is about 95465.1226836272. The cubic root of 9113589649 is about 2088.7982261718.

The spelling of 9113589649 in words is "nine billion, one hundred thirteen million, five hundred eighty-nine thousand, six hundred forty-nine".