4466005621 has 32 divisors (see below), whose sum is σ = 6006866688. Its totient is φ = 3213450240.

The previous prime is 4466005619. The next prime is 4466005639. The reversal of 4466005621 is 1265006644.

It is not a de Polignac number, because 4466005621 - 2¹ = 4466005619 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 (4466005681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37191 + ... + 101563.

It is an arithmetic number, because the mean of its divisors is an integer number (187714584).

Almost surely, 2^4466005621 is an apocalyptic number.

It is an amenable number.

4466005621 is a deficient number, since it is larger than the sum of its proper divisors (1540861067).

4466005621 is a wasteful number, since it uses less digits than its factorization.

4466005621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64461.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 4466005621 is about 66828.1798420397. The cubic root of 4466005621 is about 1646.7958167474.

The spelling of 4466005621 in words is "four billion, four hundred sixty-six million, five thousand, six hundred twenty-one".