4405242542443 has 2 divisors, whose sum is σ = 4405242542444. Its totient is φ = 4405242542442.

The previous prime is 4405242542423. The next prime is 4405242542549. The reversal of 4405242542443 is 3442452425044.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4405242542443 - 2⁵ = 4405242542411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4405242542443.

It is not a weakly prime, because it can be changed into another prime (4405242542413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202621271221 + 2202621271222.

It is an arithmetic number, because the mean of its divisors is an integer number (2202621271222).

Almost surely, 2^{4405242542443} is an apocalyptic number.

4405242542443 is a deficient number, since it is larger than the sum of its proper divisors (1).

4405242542443 is an equidigital number, since it uses as much as digits as its factorization.

4405242542443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2457600, while the sum is 43.

Adding to 4405242542443 its reverse (3442452425044), we get a palindrome (7847694967487).

The spelling of 4405242542443 in words is "four trillion, four hundred five billion, two hundred forty-two million, five hundred forty-two thousand, four hundred forty-three".