4245034424565 has 32 divisors (see below), whose sum is σ = 7450451229312. Its totient is φ = 2046827232000.

The previous prime is 4245034424563. The next prime is 4245034424591. The reversal of 4245034424565 is 5654244305424.

It is a happy number.

It is not a de Polignac number, because 4245034424565 - 2¹ = 4245034424563 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245034424563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71040526 + ... + 71100255.

It is an arithmetic number, because the mean of its divisors is an integer number (232826600916).

Almost surely, 2^{4245034424565} is an apocalyptic number.

It is an amenable number.

4245034424565 is a deficient number, since it is larger than the sum of its proper divisors (3205416804747).

4245034424565 is a wasteful number, since it uses less digits than its factorization.

4245034424565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142140981.

The product of its (nonzero) digits is 9216000, while the sum is 48.

Adding to 4245034424565 its reverse (5654244305424), we get a palindrome (9899278729989).

The spelling of 4245034424565 in words is "four trillion, two hundred forty-five billion, thirty-four million, four hundred twenty-four thousand, five hundred sixty-five".