4189636769 has 2 divisors, whose sum is σ = 4189636770. Its totient is φ = 4189636768.

The previous prime is 4189636747. The next prime is 4189636793. The reversal of 4189636769 is 9676369814.

It is a happy number.

4189636769 is digitally balanced in base 2, 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., 2968833169 + 1220803600 = 54487^2 + 34940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4189636769 is a prime.

It is a super-2 number, since 2×4189636769² = 35106112512313518722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (4189636739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2094818384 + 2094818385.

It is an arithmetic number, because the mean of its divisors is an integer number (2094818385).

Almost surely, 2^4189636769 is an apocalyptic number.

It is an amenable number.

4189636769 is a deficient number, since it is larger than the sum of its proper divisors (1).

4189636769 is an equidigital number, since it uses as much as digits as its factorization.

4189636769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11757312, while the sum is 59.

The square root of 4189636769 is about 64727.4035397682. The cubic root of 4189636769 is about 1612.1005424721.

The spelling of 4189636769 in words is "four billion, one hundred eighty-nine million, six hundred thirty-six thousand, seven hundred sixty-nine".