43426533562481 has 2 divisors, whose sum is σ = 43426533562482. Its totient is φ = 43426533562480.

The previous prime is 43426533562387. The next prime is 43426533562487. The reversal of 43426533562481 is 18426533562434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27196391880256 + 16230141682225 = 5215016^2 + 4028665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43426533562481 is a prime.

It is a super-2 number, since 2×43426533562481² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43426533562487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21713266781240 + 21713266781241.

It is an arithmetic number, because the mean of its divisors is an integer number (21713266781241).

Almost surely, 2^{43426533562481} is an apocalyptic number.

It is an amenable number.

43426533562481 is a deficient number, since it is larger than the sum of its proper divisors (1).

43426533562481 is an equidigital number, since it uses as much as digits as its factorization.

43426533562481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49766400, while the sum is 56.

The spelling of 43426533562481 in words is "forty-three trillion, four hundred twenty-six billion, five hundred thirty-three million, five hundred sixty-two thousand, four hundred eighty-one".