9706686650 has 24 divisors (see below), whose sum is σ = 18063422364. Its totient is φ = 3880742400.

The previous prime is 9706686631. The next prime is 9706686683. The reversal of 9706686650 is 566866079.

It can be written as a sum of positive squares in 6 ways, for example, as 2331827521 + 7374859129 = 48289^2 + 85877^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9706686592 and 9706686601.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55370 + ... + 149930.

Almost surely, 2^9706686650 is an apocalyptic number.

9706686650 is a deficient number, since it is larger than the sum of its proper divisors (8356735714).

9706686650 is a wasteful number, since it uses less digits than its factorization.

9706686650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96626 (or 96621 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The square root of 9706686650 is about 98522.5184919671. The cubic root of 9706686650 is about 2133.1611719521.

The spelling of 9706686650 in words is "nine billion, seven hundred six million, six hundred eighty-six thousand, six hundred fifty".