43407870433 has 4 divisors (see below), whose sum is σ = 43409367828. Its totient is φ = 43406373040.

The previous prime is 43407870377. The next prime is 43407870439. The reversal of 43407870433 is 33407870434.

43407870433 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 27523805409 + 15884065024 = 165903^2 + 126032^2 .

It is a cyclic number.

It is not a de Polignac number, because 43407870433 - 2¹³ = 43407862241 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 43407870433.

It is not an unprimeable number, because it can be changed into a prime (43407870439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704338 + ... + 763483.

It is an arithmetic number, because the mean of its divisors is an integer number (10852341957).

Almost surely, 2^43407870433 is an apocalyptic number.

It is an amenable number.

43407870433 is a deficient number, since it is larger than the sum of its proper divisors (1497395).

43407870433 is a wasteful number, since it uses less digits than its factorization.

43407870433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497394.

The product of its (nonzero) digits is 677376, while the sum is 43.

Subtracting from 43407870433 its reverse (33407870434), we obtain a palindrome (9999999999).

The spelling of 43407870433 in words is "forty-three billion, four hundred seven million, eight hundred seventy thousand, four hundred thirty-three".