4438068769 has 2 divisors, whose sum is σ = 4438068770. Its totient is φ = 4438068768.

The previous prime is 4438068763. The next prime is 4438068787. The reversal of 4438068769 is 9678608344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3526934544 + 911134225 = 59388^2 + 30185^2 .

It is a cyclic number.

It is not a de Polignac number, because 4438068769 - 2¹⁹ = 4437544481 is a prime.

It is a super-2 number, since 2×4438068769² = 39392908796746350722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4438068763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2219034384 + 2219034385.

It is an arithmetic number, because the mean of its divisors is an integer number (2219034385).

Almost surely, 2^4438068769 is an apocalyptic number.

It is an amenable number.

4438068769 is a deficient number, since it is larger than the sum of its proper divisors (1).

4438068769 is an equidigital number, since it uses as much as digits as its factorization.

4438068769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The square root of 4438068769 is about 66618.8319396250. The cubic root of 4438068769 is about 1643.3548182628.

The spelling of 4438068769 in words is "four billion, four hundred thirty-eight million, sixty-eight thousand, seven hundred sixty-nine".