43430433271 has 2 divisors, whose sum is σ = 43430433272. Its totient is φ = 43430433270.

The previous prime is 43430433257. The next prime is 43430433313. The reversal of 43430433271 is 17233403434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43430433271 - 2¹¹ = 43430431223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43430433071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21715216635 + 21715216636.

It is an arithmetic number, because the mean of its divisors is an integer number (21715216636).

Almost surely, 2^43430433271 is an apocalyptic number.

43430433271 is a deficient number, since it is larger than the sum of its proper divisors (1).

43430433271 is an equidigital number, since it uses as much as digits as its factorization.

43430433271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 34.

The spelling of 43430433271 in words is "forty-three billion, four hundred thirty million, four hundred thirty-three thousand, two hundred seventy-one".