9689940713 has 4 divisors (see below), whose sum is σ = 9744074640. Its totient is φ = 9635806788.

The previous prime is 9689940709. The next prime is 9689940719. The reversal of 9689940713 is 3170499869.

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 9689940713 - 2² = 9689940709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9689940719) 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, 27066695 + ... + 27067052.

It is an arithmetic number, because the mean of its divisors is an integer number (2436018660).

Almost surely, 2^9689940713 is an apocalyptic number.

It is an amenable number.

9689940713 is a deficient number, since it is larger than the sum of its proper divisors (54133927).

9689940713 is a wasteful number, since it uses less digits than its factorization.

9689940713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54133926.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The square root of 9689940713 is about 98437.4964787301. The cubic root of 9689940713 is about 2131.9337587968.

The spelling of 9689940713 in words is "nine billion, six hundred eighty-nine million, nine hundred forty thousand, seven hundred thirteen".