4621581441 has 20 divisors (see below), whose sum is σ = 6913918704. Its totient is φ = 3076558200.

The previous prime is 4621581431. The next prime is 4621581443. The reversal of 4621581441 is 1441851264.

4621581441 is a `hidden beast` number, since 4 + 62 + 158 + 1 + 441 = 666.

It is not a de Polignac number, because 4621581441 - 2¹¹ = 4621579393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4621581396 and 4621581405.

It is not an unprimeable number, because it can be changed into a prime (4621581443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14686 + ... + 97256.

Almost surely, 2^4621581441 is an apocalyptic number.

It is an amenable number.

4621581441 is a deficient number, since it is larger than the sum of its proper divisors (2292337263).

4621581441 is an equidigital number, since it uses as much as digits as its factorization.

4621581441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83274 (or 83265 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 4621581441 is about 67982.2141519383. The cubic root of 4621581441 is about 1665.7003238483.

The spelling of 4621581441 in words is "four billion, six hundred twenty-one million, five hundred eighty-one thousand, four hundred forty-one".