43091203459 has 2 divisors, whose sum is σ = 43091203460. Its totient is φ = 43091203458.

The previous prime is 43091203427. The next prime is 43091203487. The reversal of 43091203459 is 95430219034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43091203459 - 2⁵ = 43091203427 is a prime.

It is not a weakly prime, because it can be changed into another prime (43091207459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21545601729 + 21545601730.

It is an arithmetic number, because the mean of its divisors is an integer number (21545601730).

Almost surely, 2^43091203459 is an apocalyptic number.

43091203459 is a deficient number, since it is larger than the sum of its proper divisors (1).

43091203459 is an equidigital number, since it uses as much as digits as its factorization.

43091203459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 43091203459 in words is "forty-three billion, ninety-one million, two hundred three thousand, four hundred fifty-nine".