4521838481 has 8 divisors (see below), whose sum is σ = 4796167200. Its totient is φ = 4251143520.

The previous prime is 4521838403. The next prime is 4521838499. The reversal of 4521838481 is 1848381254.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4521838481 is a prime.

It is a super-2 number, since 2×4521838481² = 40894046496504774722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4521838081) 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, 905876 + ... + 910853.

It is an arithmetic number, because the mean of its divisors is an integer number (599520900).

Almost surely, 2^4521838481 is an apocalyptic number.

It is an amenable number.

4521838481 is a deficient number, since it is larger than the sum of its proper divisors (274328719).

4521838481 is a wasteful number, since it uses less digits than its factorization.

4521838481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816879.

The product of its digits is 245760, while the sum is 44.

The square root of 4521838481 is about 67244.6167436472. The cubic root of 4521838481 is about 1653.6300222482.

The spelling of 4521838481 in words is "four billion, five hundred twenty-one million, eight hundred thirty-eight thousand, four hundred eighty-one".