43013413022021 has 4 divisors (see below), whose sum is σ = 46322137100652. Its totient is φ = 39704688943392.

The previous prime is 43013413021939. The next prime is 43013413022029. The reversal of 43013413022021 is 12022031431034.

43013413022021 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 can be written as a sum of positive squares in 2 ways, for example, as 6141326548900 + 36872086473121 = 2478170^2 + 6072239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43013413022021 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 (43013413022029) 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, 1654362039296 + ... + 1654362039321.

It is an arithmetic number, because the mean of its divisors is an integer number (11580534275163).

Almost surely, 2^{43013413022021} is an apocalyptic number.

It is an amenable number.

43013413022021 is a deficient number, since it is larger than the sum of its proper divisors (3308724078631).

43013413022021 is a wasteful number, since it uses less digits than its factorization.

43013413022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308724078630.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 43013413022021 its reverse (12022031431034), we get a palindrome (55035444453055).

The spelling of 43013413022021 in words is "forty-three trillion, thirteen billion, four hundred thirteen million, twenty-two thousand, twenty-one".