43434411021011 has 4 divisors (see below), whose sum is σ = 43434564532272. Its totient is φ = 43434257509752.

The previous prime is 43434411020983. The next prime is 43434411021017. The reversal of 43434411021011 is 11012011443434.

It is a happy number.

43434411021011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 43434411021011 - 2¹⁸ = 43434410758867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43434411021017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76330436 + ... + 76897361.

It is an arithmetic number, because the mean of its divisors is an integer number (10858641133068).

Almost surely, 2^{43434411021011} is an apocalyptic number.

43434411021011 is a deficient number, since it is larger than the sum of its proper divisors (153511261).

43434411021011 is a wasteful number, since it uses less digits than its factorization.

43434411021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153511260.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 43434411021011 its reverse (11012011443434), we get a palindrome (54446422464445).

The spelling of 43434411021011 in words is "forty-three trillion, four hundred thirty-four billion, four hundred eleven million, twenty-one thousand, eleven".