9055214921 has 16 divisors (see below), whose sum is σ = 9729720000. Its totient is φ = 8401594176.

The previous prime is 9055214911. The next prime is 9055214929. The reversal of 9055214921 is 1294125509.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9055214921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9055214929) 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 15 ways as a sum of consecutive naturals, for example, 286535 + ... + 316563.

It is an arithmetic number, because the mean of its divisors is an integer number (608107500).

Almost surely, 2^9055214921 is an apocalyptic number.

It is an amenable number.

9055214921 is a deficient number, since it is larger than the sum of its proper divisors (674505079).

9055214921 is a wasteful number, since it uses less digits than its factorization.

9055214921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30376.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 9055214921 is about 95158.8930210939. The cubic root of 9055214921 is about 2084.3289189743.

The spelling of 9055214921 in words is "nine billion, fifty-five million, two hundred fourteen thousand, nine hundred twenty-one".