4441131421 has 8 divisors (see below), whose sum is σ = 4686040800. Its totient is φ = 4197338640.

The previous prime is 4441131403. The next prime is 4441131451. The reversal of 4441131421 is 1241311444.

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

It is not a de Polignac number, because 4441131421 - 2⁵ = 4441131389 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 (4441131451) 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, 270970 + ... + 286891.

It is an arithmetic number, because the mean of its divisors is an integer number (585755100).

Almost surely, 2^4441131421 is an apocalyptic number.

It is an amenable number.

4441131421 is a deficient number, since it is larger than the sum of its proper divisors (244909379).

4441131421 is a wasteful number, since it uses less digits than its factorization.

4441131421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558299.

The product of its digits is 1536, while the sum is 25.

The square root of 4441131421 is about 66641.8143585542. The cubic root of 4441131421 is about 1643.7327504134.

Adding to 4441131421 its reverse (1241311444), we get a palindrome (5682442865).

The spelling of 4441131421 in words is "four billion, four hundred forty-one million, one hundred thirty-one thousand, four hundred twenty-one".