43042434473 has 2 divisors, whose sum is σ = 43042434474. Its totient is φ = 43042434472.

The previous prime is 43042434431. The next prime is 43042434509. The reversal of 43042434473 is 37443424034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42703395904 + 339038569 = 206648^2 + 18413^2 .

It is a cyclic number.

It is not a de Polignac number, because 43042434473 - 2⁸ = 43042434217 is a prime.

It is not a weakly prime, because it can be changed into another prime (43042434373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21521217236 + 21521217237.

It is an arithmetic number, because the mean of its divisors is an integer number (21521217237).

Almost surely, 2^43042434473 is an apocalyptic number.

It is an amenable number.

43042434473 is a deficient number, since it is larger than the sum of its proper divisors (1).

43042434473 is an equidigital number, since it uses as much as digits as its factorization.

43042434473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 38.

The spelling of 43042434473 in words is "forty-three billion, forty-two million, four hundred thirty-four thousand, four hundred seventy-three".