9647993517725 has 12 divisors (see below), whose sum is σ = 11996110098624. Its totient is φ = 7697363758320.

The previous prime is 9647993517677. The next prime is 9647993517731. The reversal of 9647993517725 is 5277153997469.

It is not a de Polignac number, because 9647993517725 - 2⁸ = 9647993517469 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 525767039 + ... + 525785388.

It is an arithmetic number, because the mean of its divisors is an integer number (999675841552).

Almost surely, 2^{9647993517725} is an apocalyptic number.

It is an amenable number.

9647993517725 is a deficient number, since it is larger than the sum of its proper divisors (2348116580899).

9647993517725 is a wasteful number, since it uses less digits than its factorization.

9647993517725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051552804 (or 1051552799 counting only the distinct ones).

The product of its digits is 900169200, while the sum is 74.

The spelling of 9647993517725 in words is "nine trillion, six hundred forty-seven billion, nine hundred ninety-three million, five hundred seventeen thousand, seven hundred twenty-five".