6441469 has 4 divisors (see below), whose sum is σ = 6598620. Its totient is φ = 6284320.

The previous prime is 6441467. The next prime is 6441473. The reversal of 6441469 is 9641446.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 315844 + 6125625 = 562^2 + 2475^2 .

It is a cyclic number.

It is not a de Polignac number, because 6441469 - 2¹ = 6441467 is a prime.

It is a super-2 number, since 2×6441469² = 82985045755922, which contains 22 as substring.

It is a Duffinian number.

6441469 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6441467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78514 + ... + 78595.

It is an arithmetic number, because the mean of its divisors is an integer number (1649655).

Almost surely, 2^6441469 is an apocalyptic number.

It is an amenable number.

6441469 is a deficient number, since it is larger than the sum of its proper divisors (157151).

6441469 is a wasteful number, since it uses less digits than its factorization.

6441469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157150.

The product of its digits is 20736, while the sum is 34.

The square root of 6441469 is about 2538.0049251331. The cubic root of 6441469 is about 186.0636946076.

The spelling of 6441469 in words is "six million, four hundred forty-one thousand, four hundred sixty-nine".