43273071043 has 4 divisors (see below), whose sum is σ = 43401478120. Its totient is φ = 43144663968.

The previous prime is 43273071031. The next prime is 43273071091. The reversal of 43273071043 is 34017037234.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43273071043 - 2²⁵ = 43239516611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43273071343) 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, 64203033 + ... + 64203706.

It is an arithmetic number, because the mean of its divisors is an integer number (10850369530).

Almost surely, 2^43273071043 is an apocalyptic number.

43273071043 is a deficient number, since it is larger than the sum of its proper divisors (128407077).

43273071043 is a wasteful number, since it uses less digits than its factorization.

43273071043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128407076.

The product of its (nonzero) digits is 42336, while the sum is 34.

The spelling of 43273071043 in words is "forty-three billion, two hundred seventy-three million, seventy-one thousand, forty-three".