43454845459 has 2 divisors, whose sum is σ = 43454845460. Its totient is φ = 43454845458.

The previous prime is 43454845403. The next prime is 43454845493. The reversal of 43454845459 is 95454845434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43454845459 - 2⁷ = 43454845331 is a prime.

It is not a weakly prime, because it can be changed into another prime (43454885459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21727422729 + 21727422730.

It is an arithmetic number, because the mean of its divisors is an integer number (21727422730).

Almost surely, 2^43454845459 is an apocalyptic number.

43454845459 is a deficient number, since it is larger than the sum of its proper divisors (1).

43454845459 is an equidigital number, since it uses as much as digits as its factorization.

43454845459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648000, while the sum is 55.

The spelling of 43454845459 in words is "forty-three billion, four hundred fifty-four million, eight hundred forty-five thousand, four hundred fifty-nine".