4344478769 has 2 divisors, whose sum is σ = 4344478770. Its totient is φ = 4344478768.

The previous prime is 4344478739. The next prime is 4344478811. The reversal of 4344478769 is 9678744434.

4344478769 is digitally balanced in base 3, 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., 4344391744 + 87025 = 65912^2 + 295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4344478769 is a prime.

It is a super-2 number, since 2×4344478769² = 37748991548583510722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4344478709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2172239384 + 2172239385.

It is an arithmetic number, because the mean of its divisors is an integer number (2172239385).

Almost surely, 2^4344478769 is an apocalyptic number.

It is an amenable number.

4344478769 is a deficient number, since it is larger than the sum of its proper divisors (1).

4344478769 is an equidigital number, since it uses as much as digits as its factorization.

4344478769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16257024, while the sum is 56.

The square root of 4344478769 is about 65912.6601572111. The cubic root of 4344478769 is about 1631.7209631677.

The spelling of 4344478769 in words is "four billion, three hundred forty-four million, four hundred seventy-eight thousand, seven hundred sixty-nine".