8440950769 has 2 divisors, whose sum is σ = 8440950770. Its totient is φ = 8440950768.

The previous prime is 8440950737. The next prime is 8440950787. The reversal of 8440950769 is 9670590448.

It is a happy number.

8440950769 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7658350144 + 782600625 = 87512^2 + 27975^2 .

It is a cyclic number.

It is not a de Polignac number, because 8440950769 - 2⁵ = 8440950737 is a prime.

It is a super-2 number, since 2×8440950769² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8440950719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4220475384 + 4220475385.

It is an arithmetic number, because the mean of its divisors is an integer number (4220475385).

Almost surely, 2^8440950769 is an apocalyptic number.

It is an amenable number.

8440950769 is a deficient number, since it is larger than the sum of its proper divisors (1).

8440950769 is an equidigital number, since it uses as much as digits as its factorization.

8440950769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 8440950769 is about 91874.6470414989. The cubic root of 8440950769 is about 2036.0907102686.

The spelling of 8440950769 in words is "eight billion, four hundred forty million, nine hundred fifty thousand, seven hundred sixty-nine".