4424644464245 has 16 divisors (see below), whose sum is σ = 5317935253488. Its totient is φ = 3534141642240.

The previous prime is 4424644464223. The next prime is 4424644464313. The reversal of 4424644464245 is 5424644464244.

It can be written as a sum of positive squares in 8 ways, for example, as 127655429521 + 4296989034724 = 357289^2 + 2072918^2 .

It is not a de Polignac number, because 4424644464245 - 2⁸ = 4424644463989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 72603527 + ... + 72664443.

It is an arithmetic number, because the mean of its divisors is an integer number (332370953343).

Almost surely, 2^{4424644464245} is an apocalyptic number.

It is an amenable number.

4424644464245 is a deficient number, since it is larger than the sum of its proper divisors (893290789243).

4424644464245 is a wasteful number, since it uses less digits than its factorization.

4424644464245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83560.

The product of its digits is 47185920, while the sum is 53.

Subtracting 4424644464245 from its reverse (5424644464244), we obtain a palindrome (999999999999).

The spelling of 4424644464245 in words is "four trillion, four hundred twenty-four billion, six hundred forty-four million, four hundred sixty-four thousand, two hundred forty-five".