6787066469 has 2 divisors, whose sum is σ = 6787066470. Its totient is φ = 6787066468.

The previous prime is 6787066463. The next prime is 6787066471. The reversal of 6787066469 is 9646607876.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5239588225 + 1547478244 = 72385^2 + 39338^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6787066469 is a prime.

It is a super-2 number, since 2×6787066469² = 92128542509248255922, which contains 22 as substring.

Together with 6787066471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6787066463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3393533234 + 3393533235.

It is an arithmetic number, because the mean of its divisors is an integer number (3393533235).

Almost surely, 2^6787066469 is an apocalyptic number.

It is an amenable number.

6787066469 is a deficient number, since it is larger than the sum of its proper divisors (1).

6787066469 is an equidigital number, since it uses as much as digits as its factorization.

6787066469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18289152, while the sum is 59.

The square root of 6787066469 is about 82383.6541372134. The cubic root of 6787066469 is about 1893.3345823372.

The spelling of 6787066469 in words is "six billion, seven hundred eighty-seven million, sixty-six thousand, four hundred sixty-nine".