1004213443 has 12 divisors (see below), whose sum is σ = 1091581480. Its totient is φ = 923150592.

The previous prime is 1004213429. The next prime is 1004213447. The reversal of 1004213443 is 3443124001.

It is not a de Polignac number, because 1004213443 - 2²⁹ = 467342531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004213447) 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 11 ways as a sum of consecutive naturals, for example, 27978 + ... + 52831.

Almost surely, 2^1004213443 is an apocalyptic number.

1004213443 is a deficient number, since it is larger than the sum of its proper divisors (87368037).

1004213443 is an equidigital number, since it uses as much as digits as its factorization.

1004213443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80886 (or 80869 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1004213443 is about 31689.3269571949. The cubic root of 1004213443 is about 1001.4025130376.

Adding to 1004213443 its reverse (3443124001), we get a palindrome (4447337444).

The spelling of 1004213443 in words is "one billion, four million, two hundred thirteen thousand, four hundred forty-three".