404213012443 has 2 divisors, whose sum is σ = 404213012444. Its totient is φ = 404213012442.

The previous prime is 404213012429. The next prime is 404213012537. The reversal of 404213012443 is 344210312404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404213012443 - 2²¹ = 404210915291 is a prime.

It is not a weakly prime, because it can be changed into another prime (404213012543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202106506221 + 202106506222.

It is an arithmetic number, because the mean of its divisors is an integer number (202106506222).

Almost surely, 2^404213012443 is an apocalyptic number.

404213012443 is a deficient number, since it is larger than the sum of its proper divisors (1).

404213012443 is an equidigital number, since it uses as much as digits as its factorization.

404213012443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 404213012443 its reverse (344210312404), we get a palindrome (748423324847).

The spelling of 404213012443 in words is "four hundred four billion, two hundred thirteen million, twelve thousand, four hundred forty-three".