43009258778459 has 2 divisors, whose sum is σ = 43009258778460. Its totient is φ = 43009258778458.

The previous prime is 43009258778449. The next prime is 43009258778467. The reversal of 43009258778459 is 95487785290034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43009258778459 - 2⁴⁰ = 41909747150683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43009258778392 and 43009258778401.

It is not a weakly prime, because it can be changed into another prime (43009258778449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21504629389229 + 21504629389230.

It is an arithmetic number, because the mean of its divisors is an integer number (21504629389230).

Almost surely, 2^{43009258778459} is an apocalyptic number.

43009258778459 is a deficient number, since it is larger than the sum of its proper divisors (1).

43009258778459 is an equidigital number, since it uses as much as digits as its factorization.

43009258778459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 609638400, while the sum is 71.

The spelling of 43009258778459 in words is "forty-three trillion, nine billion, two hundred fifty-eight million, seven hundred seventy-eight thousand, four hundred fifty-nine".