4424644464243 has 16 divisors (see below), whose sum is σ = 6257771575200. Its totient is φ = 2771263202816.

The previous prime is 4424644464223. The next prime is 4424644464313. The reversal of 4424644464243 is 3424644464244.

It is a cyclic number.

It is not a de Polignac number, because 4424644464243 - 2⁹ = 4424644463731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (4424644464223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77851068 + ... + 77907881.

It is an arithmetic number, because the mean of its divisors is an integer number (391110723450).

Almost surely, 2^{4424644464243} is an apocalyptic number.

4424644464243 is a deficient number, since it is larger than the sum of its proper divisors (1833127110957).

4424644464243 is a wasteful number, since it uses less digits than its factorization.

4424644464243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155759526.

The product of its digits is 28311552, while the sum is 51.

Subtracting from 4424644464243 its reverse (3424644464244), we obtain a palindrome (999999999999).

The spelling of 4424644464243 in words is "four trillion, four hundred twenty-four billion, six hundred forty-four million, four hundred sixty-four thousand, two hundred forty-three".