4481368381 has 8 divisors (see below), whose sum is σ = 5122419200. Its totient is φ = 3840531408.

The previous prime is 4481368363. The next prime is 4481368387. The reversal of 4481368381 is 1838631844.

It is a happy number.

4481368381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-4481368381 is a prime.

It is a super-2 number, since 2×4481368381² = 40165325132453122322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4481368387) 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, 5706 + ... + 94843.

It is an arithmetic number, because the mean of its divisors is an integer number (640302400).

Almost surely, 2^4481368381 is an apocalyptic number.

It is an amenable number.

4481368381 is a deficient number, since it is larger than the sum of its proper divisors (641050819).

4481368381 is a wasteful number, since it uses less digits than its factorization.

4481368381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106923.

The product of its digits is 442368, while the sum is 46.

The square root of 4481368381 is about 66943.0233930318. The cubic root of 4481368381 is about 1648.6819447573.

The spelling of 4481368381 in words is "four billion, four hundred eighty-one million, three hundred sixty-eight thousand, three hundred eighty-one".