443442413 has 4 divisors (see below), whose sum is σ = 445431168. Its totient is φ = 441453660.

The previous prime is 443442401. The next prime is 443442427. The reversal of 443442413 is 314244344.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 443442413 - 2⁸ = 443442157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443442473) 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 3 ways as a sum of consecutive naturals, for example, 994043 + ... + 994488.

It is an arithmetic number, because the mean of its divisors is an integer number (111357792).

Almost surely, 2^443442413 is an apocalyptic number.

It is an amenable number.

443442413 is a deficient number, since it is larger than the sum of its proper divisors (1988755).

443442413 is a wasteful number, since it uses less digits than its factorization.

443442413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988754.

The product of its digits is 18432, while the sum is 29.

The square root of 443442413 is about 21058.0723951648. The cubic root of 443442413 is about 762.5688769816.

Adding to 443442413 its reverse (314244344), we get a palindrome (757686757).

The spelling of 443442413 in words is "four hundred forty-three million, four hundred forty-two thousand, four hundred thirteen".