43430140459 has 2 divisors, whose sum is σ = 43430140460. Its totient is φ = 43430140458.

The previous prime is 43430140399. The next prime is 43430140477. The reversal of 43430140459 is 95404103434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43430140459 - 2⁹ = 43430139947 is a prime.

It is not a weakly prime, because it can be changed into another prime (43430140759) 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, 21715070229 + 21715070230.

It is an arithmetic number, because the mean of its divisors is an integer number (21715070230).

Almost surely, 2^43430140459 is an apocalyptic number.

43430140459 is a deficient number, since it is larger than the sum of its proper divisors (1).

43430140459 is an equidigital number, since it uses as much as digits as its factorization.

43430140459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 43430140459 in words is "forty-three billion, four hundred thirty million, one hundred forty thousand, four hundred fifty-nine".