9826071648 has 48 divisors (see below), whose sum is σ = 26490567600. Its totient is φ = 3186832896.

The previous prime is 9826071637. The next prime is 9826071649. The reversal of 9826071648 is 8461706289.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 9826071648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9826071649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379623 + ... + 1386726.

It is an arithmetic number, because the mean of its divisors is an integer number (551886825).

Almost surely, 2^9826071648 is an apocalyptic number.

It is an amenable number.

9826071648 is an abundant number, since it is smaller than the sum of its proper divisors (16664495952).

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

9826071648 is a wasteful number, since it uses less digits than its factorization.

9826071648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766399 (or 2766391 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 9826071648 is about 99126.5436096710. The cubic root of 9826071648 is about 2141.8709907385.

The spelling of 9826071648 in words is "nine billion, eight hundred twenty-six million, seventy-one thousand, six hundred forty-eight".