6381799 has 2 divisors, whose sum is σ = 6381800. Its totient is φ = 6381798.

The previous prime is 6381761. The next prime is 6381811. The reversal of 6381799 is 9971836.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6381799 - 2⁷ = 6381671 is a prime.

6381799 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6381719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190899 + 3190900.

It is an arithmetic number, because the mean of its divisors is an integer number (3190900).

Almost surely, 2^6381799 is an apocalyptic number.

6381799 is a deficient number, since it is larger than the sum of its proper divisors (1).

6381799 is an equidigital number, since it uses as much as digits as its factorization.

6381799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 43.

The square root of 6381799 is about 2526.2222784229. Note that the first 4 decimals coincide. The cubic root of 6381799 is about 185.4873829882.

The spelling of 6381799 in words is "six million, three hundred eighty-one thousand, seven hundred ninety-nine".