43042433220113 has 16 divisors (see below), whose sum is σ = 45291817074000. Its totient is φ = 40850566963200.

The previous prime is 43042433220097. The next prime is 43042433220119. The reversal of 43042433220113 is 31102233424034.

It can be written as a sum of positive squares in 8 ways, for example, as 5888251671184 + 37154181548929 = 2426572^2 + 6095423^2 .

It is a cyclic number.

It is not a de Polignac number, because 43042433220113 - 2⁴ = 43042433220097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 43042433220113.

It is not an unprimeable number, because it can be changed into a prime (43042433220119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6253553 + ... + 11188913.

It is an arithmetic number, because the mean of its divisors is an integer number (2830738567125).

Almost surely, 2^{43042433220113} is an apocalyptic number.

It is an amenable number.

43042433220113 is a deficient number, since it is larger than the sum of its proper divisors (2249383853887).

43042433220113 is a wasteful number, since it uses less digits than its factorization.

43042433220113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4941188.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 43042433220113 its reverse (31102233424034), we get a palindrome (74144666644147).

The spelling of 43042433220113 in words is "forty-three trillion, forty-two billion, four hundred thirty-three million, two hundred twenty thousand, one hundred thirteen".