43315205459 has 2 divisors, whose sum is σ = 43315205460. Its totient is φ = 43315205458.

The previous prime is 43315205443. The next prime is 43315205497. The reversal of 43315205459 is 95450251334.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43315205459 - 2⁴ = 43315205443 is a prime.

It is not a weakly prime, because it can be changed into another prime (43315205419) 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, 21657602729 + 21657602730.

It is an arithmetic number, because the mean of its divisors is an integer number (21657602730).

Almost surely, 2^43315205459 is an apocalyptic number.

43315205459 is a deficient number, since it is larger than the sum of its proper divisors (1).

43315205459 is an equidigital number, since it uses as much as digits as its factorization.

43315205459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 43315205459 in words is "forty-three billion, three hundred fifteen million, two hundred five thousand, four hundred fifty-nine".