43405706743 has 16 divisors (see below), whose sum is σ = 52611918336. Its totient is φ = 35003881440.

The previous prime is 43405706713. The next prime is 43405706753. The reversal of 43405706743 is 34760750434.

It is a cyclic number.

It is not a de Polignac number, because 43405706743 - 2²⁹ = 42868835831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43405706743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43405706713) 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, 2200021 + ... + 2219662.

It is an arithmetic number, because the mean of its divisors is an integer number (3288244896).

Almost surely, 2^43405706743 is an apocalyptic number.

43405706743 is a deficient number, since it is larger than the sum of its proper divisors (9206211593).

43405706743 is a wasteful number, since it uses less digits than its factorization.

43405706743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419774.

The product of its (nonzero) digits is 846720, while the sum is 43.

The spelling of 43405706743 in words is "forty-three billion, four hundred five million, seven hundred six thousand, seven hundred forty-three".