43043422559 has 2 divisors, whose sum is σ = 43043422560. Its totient is φ = 43043422558.

The previous prime is 43043422523. The next prime is 43043422573. The reversal of 43043422559 is 95522434034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43043422559 - 2²⁸ = 42774987103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43043424559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21521711279 + 21521711280.

It is an arithmetic number, because the mean of its divisors is an integer number (21521711280).

Almost surely, 2^43043422559 is an apocalyptic number.

43043422559 is a deficient number, since it is larger than the sum of its proper divisors (1).

43043422559 is an equidigital number, since it uses as much as digits as its factorization.

43043422559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 43043422559 in words is "forty-three billion, forty-three million, four hundred twenty-two thousand, five hundred fifty-nine".