4229027921 has 8 divisors (see below), whose sum is σ = 4430236800. Its totient is φ = 4031511120.

The previous prime is 4229027849. The next prime is 4229027927. The reversal of 4229027921 is 1297209224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4229027921 - 2¹⁸ = 4228765777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4229027927) 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, 920675 + ... + 925256.

It is an arithmetic number, because the mean of its divisors is an integer number (553779600).

Almost surely, 2^4229027921 is an apocalyptic number.

It is an amenable number.

4229027921 is a deficient number, since it is larger than the sum of its proper divisors (201208879).

4229027921 is a wasteful number, since it uses less digits than its factorization.

4229027921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846039.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 4229027921 is about 65030.9766265278. The cubic root of 4229027921 is about 1617.1371376310.

The spelling of 4229027921 in words is "four billion, two hundred twenty-nine million, twenty-seven thousand, nine hundred twenty-one".