43064218441 has 2 divisors, whose sum is σ = 43064218442. Its totient is φ = 43064218440.

The previous prime is 43064218433. The next prime is 43064218487. The reversal of 43064218441 is 14481246034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39475729225 + 3588489216 = 198685^2 + 59904^2 .

It is a cyclic number.

It is not a de Polignac number, because 43064218441 - 2³ = 43064218433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43064218441.

It is not a weakly prime, because it can be changed into another prime (43064218411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21532109220 + 21532109221.

It is an arithmetic number, because the mean of its divisors is an integer number (21532109221).

Almost surely, 2^43064218441 is an apocalyptic number.

It is an amenable number.

43064218441 is a deficient number, since it is larger than the sum of its proper divisors (1).

43064218441 is an equidigital number, since it uses as much as digits as its factorization.

43064218441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 43064218441 in words is "forty-three billion, sixty-four million, two hundred eighteen thousand, four hundred forty-one".