6368199613 has 2 divisors, whose sum is σ = 6368199614. Its totient is φ = 6368199612.

The previous prime is 6368199571. The next prime is 6368199653. The reversal of 6368199613 is 3169918636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6190857124 + 177342489 = 78682^2 + 13317^2 .

It is a cyclic number.

It is not a de Polignac number, because 6368199613 - 2¹³ = 6368191421 is a prime.

It is a super-2 number, since 2×6368199613² = 81107932622026699538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6368199653) 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, 3184099806 + 3184099807.

It is an arithmetic number, because the mean of its divisors is an integer number (3184099807).

Almost surely, 2^6368199613 is an apocalyptic number.

It is an amenable number.

6368199613 is a deficient number, since it is larger than the sum of its proper divisors (1).

6368199613 is an equidigital number, since it uses as much as digits as its factorization.

6368199613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 52.

The square root of 6368199613 is about 79801.0000751870. Note that the first 4 decimals coincide. The cubic root of 6368199613 is about 1853.5553361340. Note that the first 3 decimals are identical.

The spelling of 6368199613 in words is "six billion, three hundred sixty-eight million, one hundred ninety-nine thousand, six hundred thirteen".