9717949748 has 24 divisors (see below), whose sum is σ = 18331834920. Its totient is φ = 4480986240.

The previous prime is 9717949723. The next prime is 9717949777. The reversal of 9717949748 is 8479497179.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 309337744 + 9408612004 = 17588^2 + 96998^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31823 + ... + 142998.

It is an arithmetic number, because the mean of its divisors is an integer number (763826455).

Almost surely, 2^9717949748 is an apocalyptic number.

It is an amenable number.

9717949748 is a deficient number, since it is larger than the sum of its proper divisors (8613885172).

9717949748 is a wasteful number, since it uses less digits than its factorization.

9717949748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175907 (or 175905 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 65.

The square root of 9717949748 is about 98579.6619389618. The cubic root of 9717949748 is about 2133.9859201341.

The spelling of 9717949748 in words is "nine billion, seven hundred seventeen million, nine hundred forty-nine thousand, seven hundred forty-eight".