4204243343545 has 32 divisors (see below), whose sum is σ = 5864189091840. Its totient is φ = 2833735631040.

The previous prime is 4204243343543. The next prime is 4204243343549. The reversal of 4204243343545 is 5453433424024.

It is not a de Polignac number, because 4204243343545 - 2¹ = 4204243343543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4204243343543) 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, 19533184 + ... + 19747246.

It is an arithmetic number, because the mean of its divisors is an integer number (183255909120).

Almost surely, 2^{4204243343545} is an apocalyptic number.

It is an amenable number.

4204243343545 is a deficient number, since it is larger than the sum of its proper divisors (1659945748295).

4204243343545 is a wasteful number, since it uses less digits than its factorization.

4204243343545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223645.

The product of its (nonzero) digits is 2764800, while the sum is 43.

Adding to 4204243343545 its reverse (5453433424024), we get a palindrome (9657676767569).

The spelling of 4204243343545 in words is "four trillion, two hundred four billion, two hundred forty-three million, three hundred forty-three thousand, five hundred forty-five".