6441050581 has 8 divisors (see below), whose sum is σ = 7375333824. Its totient is φ = 5510300640.

The previous prime is 6441050579. The next prime is 6441050599. The reversal of 6441050581 is 1850501446.

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

It is a cyclic number.

It is not a de Polignac number, because 6441050581 - 2¹ = 6441050579 is a prime.

It is a super-2 number, since 2×6441050581² = 82974265174000875122, 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 (6441050501) 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, 879415 + ... + 886708.

It is an arithmetic number, because the mean of its divisors is an integer number (921916728).

Almost surely, 2^6441050581 is an apocalyptic number.

It is an amenable number.

6441050581 is a deficient number, since it is larger than the sum of its proper divisors (934283243).

6441050581 is a wasteful number, since it uses less digits than its factorization.

6441050581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766651.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 6441050581 is about 80256.1560317961. The cubic root of 6441050581 is about 1860.5966580244.

The spelling of 6441050581 in words is "six billion, four hundred forty-one million, fifty thousand, five hundred eighty-one".