4044243769 has 2 divisors, whose sum is σ = 4044243770. Its totient is φ = 4044243768.

The previous prime is 4044243703. The next prime is 4044243773. The reversal of 4044243769 is 9673424404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3571616169 + 472627600 = 59763^2 + 21740^2 .

It is a cyclic number.

It is not a de Polignac number, because 4044243769 - 2¹⁹ = 4043719481 is a prime.

It is a super-2 number, since 2×4044243769² = 32711815326190650722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4044243779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022121884 + 2022121885.

It is an arithmetic number, because the mean of its divisors is an integer number (2022121885).

Almost surely, 2^4044243769 is an apocalyptic number.

It is an amenable number.

4044243769 is a deficient number, since it is larger than the sum of its proper divisors (1).

4044243769 is an equidigital number, since it uses as much as digits as its factorization.

4044243769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 43.

The square root of 4044243769 is about 63594.3690038670. The cubic root of 4044243769 is about 1593.2323218654.

The spelling of 4044243769 in words is "four billion, forty-four million, two hundred forty-three thousand, seven hundred sixty-nine".