9686965651 has 8 divisors (see below), whose sum is σ = 10672229808. Its totient is φ = 8719140000.

The previous prime is 9686965649. The next prime is 9686965657. The reversal of 9686965651 is 1565696869.

9686965651 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 9686965651 - 2¹ = 9686965649 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 9686965651.

It is not an unprimeable number, because it can be changed into a prime (9686965657) 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, 4358460 + ... + 4360681.

It is an arithmetic number, because the mean of its divisors is an integer number (1334028726).

Almost surely, 2^9686965651 is an apocalyptic number.

9686965651 is a deficient number, since it is larger than the sum of its proper divisors (985264157).

9686965651 is a wasteful number, since it uses less digits than its factorization.

9686965651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8719253.

The product of its digits is 20995200, while the sum is 61.

The square root of 9686965651 is about 98422.3838920802. The cubic root of 9686965651 is about 2131.7155502260.

The spelling of 9686965651 in words is "nine billion, six hundred eighty-six million, nine hundred sixty-five thousand, six hundred fifty-one".