3440444729 has 2 divisors, whose sum is σ = 3440444730. Its totient is φ = 3440444728.

The previous prime is 3440444699. The next prime is 3440444731. The reversal of 3440444729 is 9274440443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2732884729 + 707560000 = 52277^2 + 26600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3440444729 is a prime.

Together with 3440444731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3440444929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720222364 + 1720222365.

It is an arithmetic number, because the mean of its divisors is an integer number (1720222365).

Almost surely, 2^3440444729 is an apocalyptic number.

It is an amenable number.

3440444729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440444729 is an equidigital number, since it uses as much as digits as its factorization.

3440444729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 41.

The square root of 3440444729 is about 58655.3043551902. The cubic root of 3440444729 is about 1509.6335132397.

The spelling of 3440444729 in words is "three billion, four hundred forty million, four hundred forty-four thousand, seven hundred twenty-nine".