43043806741 has 16 divisors (see below), whose sum is σ = 47546578800. Its totient is φ = 38721346560.

The previous prime is 43043806721. The next prime is 43043806753. The reversal of 43043806741 is 14760834034.

It can be written as a sum of positive squares in 8 ways, for example, as 2694648100 + 40349158641 = 51910^2 + 200871^2 .

It is not a de Polignac number, because 43043806741 - 2⁷ = 43043806613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43043806694 and 43043806703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43043806721) 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, 106980 + ... + 312301.

It is an arithmetic number, because the mean of its divisors is an integer number (2971661175).

Almost surely, 2^43043806741 is an apocalyptic number.

It is an amenable number.

43043806741 is a deficient number, since it is larger than the sum of its proper divisors (4502772059).

43043806741 is a wasteful number, since it uses less digits than its factorization.

43043806741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419496.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 43043806741 in words is "forty-three billion, forty-three million, eight hundred six thousand, seven hundred forty-one".