9825521846972 has 24 divisors (see below), whose sum is σ = 19491925933200. Its totient is φ = 4296179592576.

The previous prime is 9825521846947. The next prime is 9825521847023. The reversal of 9825521846972 is 2796481255289.

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, 4972429097 + ... + 4972431072.

It is an arithmetic number, because the mean of its divisors is an integer number (812163580550).

Almost surely, 2^{9825521846972} is an apocalyptic number.

It is an amenable number.

9825521846972 is a deficient number, since it is larger than the sum of its proper divisors (9666404086228).

9825521846972 is a wasteful number, since it uses less digits than its factorization.

9825521846972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9944860205 (or 9944860203 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 68.

The spelling of 9825521846972 in words is "nine trillion, eight hundred twenty-five billion, five hundred twenty-one million, eight hundred forty-six thousand, nine hundred seventy-two".