9834756128 has 24 divisors (see below), whose sum is σ = 19369082880. Its totient is φ = 4915624000.

The previous prime is 9834756083. The next prime is 9834756221. The reversal of 9834756128 is 8216574389.

It is a self number, because there is not a number n which added to its sum of digits gives 9834756128.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38753 + ... + 145503.

It is an arithmetic number, because the mean of its divisors is an integer number (807045120).

Almost surely, 2^9834756128 is an apocalyptic number.

It is an amenable number.

9834756128 is a deficient number, since it is larger than the sum of its proper divisors (9534326752).

9834756128 is a wasteful number, since it uses less digits than its factorization.

9834756128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109640 (or 109632 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The square root of 9834756128 is about 99170.3389527332. The cubic root of 9834756128 is about 2142.5018145016.

The spelling of 9834756128 in words is "nine billion, eight hundred thirty-four million, seven hundred fifty-six thousand, one hundred twenty-eight".