43413444329 has 2 divisors, whose sum is σ = 43413444330. Its totient is φ = 43413444328.

The previous prime is 43413444317. The next prime is 43413444343. The reversal of 43413444329 is 92344431434.

It is a happy number.

43413444329 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., 23095792729 + 20317651600 = 151973^2 + 142540^2 .

It is a cyclic number.

It is not a de Polignac number, because 43413444329 - 2⁴ = 43413444313 is a prime.

It is not a weakly prime, because it can be changed into another prime (43413444229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21706722164 + 21706722165.

It is an arithmetic number, because the mean of its divisors is an integer number (21706722165).

Almost surely, 2^43413444329 is an apocalyptic number.

It is an amenable number.

43413444329 is a deficient number, since it is larger than the sum of its proper divisors (1).

43413444329 is an equidigital number, since it uses as much as digits as its factorization.

43413444329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 41.

The spelling of 43413444329 in words is "forty-three billion, four hundred thirteen million, four hundred forty-four thousand, three hundred twenty-nine".