6380669 has 2 divisors, whose sum is σ = 6380670. Its totient is φ = 6380668.

The previous prime is 6380663. The next prime is 6380681. The reversal of 6380669 is 9660836.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6061444 + 319225 = 2462^2 + 565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6380669 is a prime.

It is a super-2 number, since 2×6380669² = 81425873775122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6380663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190334 + 3190335.

It is an arithmetic number, because the mean of its divisors is an integer number (3190335).

Almost surely, 2^6380669 is an apocalyptic number.

It is an amenable number.

6380669 is a deficient number, since it is larger than the sum of its proper divisors (1).

6380669 is an equidigital number, since it uses as much as digits as its factorization.

6380669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 6380669 is about 2525.9986144098. The cubic root of 6380669 is about 185.4764345020.

The spelling of 6380669 in words is "six million, three hundred eighty thousand, six hundred sixty-nine".