43033240013 has 4 divisors (see below), whose sum is σ = 43140555228. Its totient is φ = 42925924800.

The previous prime is 43033240001. The next prime is 43033240057. The reversal of 43033240013 is 31004233034.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31486018249 + 11547221764 = 177443^2 + 107458^2 .

It is a cyclic number.

It is not a de Polignac number, because 43033240013 - 2¹⁶ = 43033174477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43033240073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53657006 + ... + 53657807.

It is an arithmetic number, because the mean of its divisors is an integer number (10785138807).

Almost surely, 2^43033240013 is an apocalyptic number.

It is an amenable number.

43033240013 is a deficient number, since it is larger than the sum of its proper divisors (107315215).

43033240013 is a wasteful number, since it uses less digits than its factorization.

43033240013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107315214.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 43033240013 its reverse (31004233034), we get a palindrome (74037473047).

The spelling of 43033240013 in words is "forty-three billion, thirty-three million, two hundred forty thousand, thirteen".