6238666769 has 2 divisors, whose sum is σ = 6238666770. Its totient is φ = 6238666768.

The previous prime is 6238666711. The next prime is 6238666771. The reversal of 6238666769 is 9676668326.

6238666769 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., 4507108225 + 1731558544 = 67135^2 + 41612^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6238666769 is a prime.

It is a super-2 number, since 2×6238666769² = 77841926109249798722, which contains 22 as substring.

Together with 6238666771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6238666669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3119333384 + 3119333385.

It is an arithmetic number, because the mean of its divisors is an integer number (3119333385).

Almost surely, 2^6238666769 is an apocalyptic number.

It is an amenable number.

6238666769 is a deficient number, since it is larger than the sum of its proper divisors (1).

6238666769 is an equidigital number, since it uses as much as digits as its factorization.

6238666769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23514624, while the sum is 59.

The square root of 6238666769 is about 78985.2313347248. The cubic root of 6238666769 is about 1840.9016895345.

The spelling of 6238666769 in words is "six billion, two hundred thirty-eight million, six hundred sixty-six thousand, seven hundred sixty-nine".