43351341454409 has 2 divisors, whose sum is σ = 43351341454410. Its totient is φ = 43351341454408.

The previous prime is 43351341454403. The next prime is 43351341454451. The reversal of 43351341454409 is 90445414315334.

43351341454409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42527966694409 + 823374760000 = 6521347^2 + 907400^2 .

It is a cyclic number.

It is not a de Polignac number, because 43351341454409 - 2⁴⁴ = 25759155409993 is a prime.

It is not a weakly prime, because it can be changed into another prime (43351341454403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21675670727204 + 21675670727205.

It is an arithmetic number, because the mean of its divisors is an integer number (21675670727205).

Almost surely, 2^{43351341454409} is an apocalyptic number.

It is an amenable number.

43351341454409 is a deficient number, since it is larger than the sum of its proper divisors (1).

43351341454409 is an equidigital number, since it uses as much as digits as its factorization.

43351341454409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 43351341454409 in words is "forty-three trillion, three hundred fifty-one billion, three hundred forty-one million, four hundred fifty-four thousand, four hundred nine".