9824215012728 has 32 divisors (see below), whose sum is σ = 24560663011200. Its totient is φ = 3274721607008.

The previous prime is 9824215012687. The next prime is 9824215012847. The reversal of 9824215012728 is 8272105124289.

9824215012728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4309525 + ... + 6182267.

It is an arithmetic number, because the mean of its divisors is an integer number (767520719100).

Almost surely, 2^{9824215012728} is an apocalyptic number.

It is an amenable number.

9824215012728 is an abundant number, since it is smaller than the sum of its proper divisors (14736447998472).

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

9824215012728 is a wasteful number, since it uses less digits than its factorization.

9824215012728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091331 (or 2091327 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 9824215012728 in words is "nine trillion, eight hundred twenty-four billion, two hundred fifteen million, twelve thousand, seven hundred twenty-eight".