4556413521 has 12 divisors (see below), whose sum is σ = 7179803280. Its totient is φ = 2761462680.

The previous prime is 4556413501. The next prime is 4556413571. The reversal of 4556413521 is 1253146554.

4556413521 is a `hidden beast` number, since 4 + 5 + 5 + 641 + 3 + 5 + 2 + 1 = 666.

It is not a de Polignac number, because 4556413521 - 2¹⁷ = 4556282449 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4556413501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23012091 + ... + 23012288.

It is an arithmetic number, because the mean of its divisors is an integer number (598316940).

Almost surely, 2^4556413521 is an apocalyptic number.

It is an amenable number.

4556413521 is a deficient number, since it is larger than the sum of its proper divisors (2623389759).

4556413521 is a wasteful number, since it uses less digits than its factorization.

4556413521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46024396 (or 46024393 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 4556413521 is about 67501.2112557990. The cubic root of 4556413521 is about 1657.8340067934.

The spelling of 4556413521 in words is "four billion, five hundred fifty-six million, four hundred thirteen thousand, five hundred twenty-one".