9714128648 has 32 divisors (see below), whose sum is σ = 20821968000. Its totient is φ = 4162002432.

The previous prime is 9714128621. The next prime is 9714128707. The reversal of 9714128648 is 8468214179.

It is a junction number, because it is equal to n+sod(n) for n = 9714128596 and 9714128605.

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, 187928 + ... + 233976.

It is an arithmetic number, because the mean of its divisors is an integer number (650686500).

Almost surely, 2^9714128648 is an apocalyptic number.

It is an amenable number.

9714128648 is an abundant number, since it is smaller than the sum of its proper divisors (11107839352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9714128648 is a wasteful number, since it uses less digits than its factorization.

9714128648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49829 (or 49825 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 9714128648 is about 98560.2792609680. The cubic root of 9714128648 is about 2133.7061888881.

The spelling of 9714128648 in words is "nine billion, seven hundred fourteen million, one hundred twenty-eight thousand, six hundred forty-eight".