9680849389 has 4 divisors (see below), whose sum is σ = 9839551900. Its totient is φ = 9522146880.

The previous prime is 9680849351. The next prime is 9680849407. The reversal of 9680849389 is 9839480869.

It is a happy number.

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 1880956900 + 7799892489 = 43370^2 + 88317^2 .

It is a cyclic number.

It is not a de Polignac number, because 9680849389 - 2¹⁹ = 9680325101 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 9680849389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9680849089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79351164 + ... + 79351285.

It is an arithmetic number, because the mean of its divisors is an integer number (2459887975).

Almost surely, 2^9680849389 is an apocalyptic number.

It is an amenable number.

9680849389 is a deficient number, since it is larger than the sum of its proper divisors (158702511).

9680849389 is a wasteful number, since it uses less digits than its factorization.

9680849389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158702510.

The product of its (nonzero) digits is 26873856, while the sum is 64.

The square root of 9680849389 is about 98391.3074869930. The cubic root of 9680849389 is about 2131.2668071659.

The spelling of 9680849389 in words is "nine billion, six hundred eighty million, eight hundred forty-nine thousand, three hundred eighty-nine".