6328636819 has 2 divisors, whose sum is σ = 6328636820. Its totient is φ = 6328636818.

The previous prime is 6328636813. The next prime is 6328636841. The reversal of 6328636819 is 9186368236.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6328636819 - 2¹³ = 6328628627 is a prime.

It is a super-2 number, since 2×6328636819² = 80103287973604877522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6328636813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3164318409 + 3164318410.

It is an arithmetic number, because the mean of its divisors is an integer number (3164318410).

Almost surely, 2^6328636819 is an apocalyptic number.

6328636819 is a deficient number, since it is larger than the sum of its proper divisors (1).

6328636819 is an equidigital number, since it uses as much as digits as its factorization.

6328636819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 52.

The square root of 6328636819 is about 79552.7298023141. The cubic root of 6328636819 is about 1849.7089212360.

The spelling of 6328636819 in words is "six billion, three hundred twenty-eight million, six hundred thirty-six thousand, eight hundred nineteen".