9932054821 has 32 divisors (see below), whose sum is σ = 11221056000. Its totient is φ = 8727844608.

The previous prime is 9932054807. The next prime is 9932054849. The reversal of 9932054821 is 1284502399.

It is a cyclic number.

It is not a de Polignac number, because 9932054821 - 2¹⁵ = 9932022053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9932054861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10807000 + ... + 10807918.

It is an arithmetic number, because the mean of its divisors is an integer number (350658000).

Almost surely, 2^9932054821 is an apocalyptic number.

It is an amenable number.

9932054821 is a deficient number, since it is larger than the sum of its proper divisors (1289001179).

9932054821 is a wasteful number, since it uses less digits than its factorization.

9932054821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 9932054821 is about 99659.6950677655. The cubic root of 9932054821 is about 2149.5441486051.

The spelling of 9932054821 in words is "nine billion, nine hundred thirty-two million, fifty-four thousand, eight hundred twenty-one".