441471211909 has 32 divisors (see below), whose sum is σ = 546883468544. Its totient is φ = 347025461760.

The previous prime is 441471211901. The next prime is 441471211919. The reversal of 441471211909 is 909112174144.

It is a cyclic number.

It is not a de Polignac number, because 441471211909 - 2³ = 441471211901 is a prime.

It is a super-3 number, since 3×441471211909³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441471211901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75838219 + ... + 75844039.

It is an arithmetic number, because the mean of its divisors is an integer number (17090108392).

Almost surely, 2^441471211909 is an apocalyptic number.

It is an amenable number.

441471211909 is a deficient number, since it is larger than the sum of its proper divisors (105412256635).

441471211909 is a wasteful number, since it uses less digits than its factorization.

441471211909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11117.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 441471211909 in words is "four hundred forty-one billion, four hundred seventy-one million, two hundred eleven thousand, nine hundred nine".