3789965869 has 2 divisors, whose sum is σ = 3789965870. Its totient is φ = 3789965868.

The previous prime is 3789965867. The next prime is 3789965909. The reversal of 3789965869 is 9685699873.

3789965869 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., 3711855625 + 78110244 = 60925^2 + 8838^2 .

It is a cyclic number.

It is not a de Polignac number, because 3789965869 - 2¹ = 3789965867 is a prime.

It is a super-2 number, since 2×3789965869² = 28727682576369850322, which contains 22 as substring.

Together with 3789965867, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3789965798 and 3789965807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3789965867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1894982934 + 1894982935.

It is an arithmetic number, because the mean of its divisors is an integer number (1894982935).

Almost surely, 2^3789965869 is an apocalyptic number.

It is an amenable number.

3789965869 is a deficient number, since it is larger than the sum of its proper divisors (1).

3789965869 is an equidigital number, since it uses as much as digits as its factorization.

3789965869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176359680, while the sum is 70.

The square root of 3789965869 is about 61562.6986819129. The cubic root of 3789965869 is about 1559.1160164109.

The spelling of 3789965869 in words is "three billion, seven hundred eighty-nine million, nine hundred sixty-five thousand, eight hundred sixty-nine".