43407344073 has 4 divisors (see below), whose sum is σ = 57876458768. Its totient is φ = 28938229380.

The previous prime is 43407344051. The next prime is 43407344081. The reversal of 43407344073 is 37044370434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-43407344073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43407344033) 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, 7234557343 + ... + 7234557348.

It is an arithmetic number, because the mean of its divisors is an integer number (14469114692).

Almost surely, 2^43407344073 is an apocalyptic number.

It is an amenable number.

43407344073 is a deficient number, since it is larger than the sum of its proper divisors (14469114695).

43407344073 is a wasteful number, since it uses less digits than its factorization.

43407344073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14469114694.

The product of its (nonzero) digits is 338688, while the sum is 39.

The spelling of 43407344073 in words is "forty-three billion, four hundred seven million, three hundred forty-four thousand, seventy-three".