443013009 has 16 divisors (see below), whose sum is σ = 595159488. Its totient is φ = 293112512.

The previous prime is 443012993. The next prime is 443013031. The reversal of 443013009 is 900310344.

It is a cyclic number.

It is not a de Polignac number, because 443013009 - 2⁴ = 443012993 is a prime.

It is a super-2 number, since 2×443013009² = 392521052286468162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 443013009.

It is not an unprimeable number, because it can be changed into a prime (443013059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346279 + ... + 347555.

It is an arithmetic number, because the mean of its divisors is an integer number (37197468).

Almost surely, 2^443013009 is an apocalyptic number.

It is an amenable number.

443013009 is a deficient number, since it is larger than the sum of its proper divisors (152146479).

443013009 is a wasteful number, since it uses less digits than its factorization.

443013009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 443013009 is about 21047.8742157017. The cubic root of 443013009 is about 762.3226549484.

The spelling of 443013009 in words is "four hundred forty-three million, thirteen thousand, nine".