9680981909 has 8 divisors (see below), whose sum is σ = 10051041792. Its totient is φ = 9314532720.

The previous prime is 9680981887. The next prime is 9680981929. The reversal of 9680981909 is 9091890869.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9680981909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9680981929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897209 + ... + 907934.

It is an arithmetic number, because the mean of its divisors is an integer number (1256380224).

Almost surely, 2^9680981909 is an apocalyptic number.

It is an amenable number.

9680981909 is a deficient number, since it is larger than the sum of its proper divisors (370059883).

9680981909 is a wasteful number, since it uses less digits than its factorization.

9680981909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805347.

The product of its (nonzero) digits is 2519424, while the sum is 59.

The square root of 9680981909 is about 98391.9809181622. The cubic root of 9680981909 is about 2131.2765320077.

The spelling of 9680981909 in words is "nine billion, six hundred eighty million, nine hundred eighty-one thousand, nine hundred nine".