6278206513 has 2 divisors, whose sum is σ = 6278206514. Its totient is φ = 6278206512.

The previous prime is 6278206457. The next prime is 6278206547. The reversal of 6278206513 is 3156028726.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5236982689 + 1041223824 = 72367^2 + 32268^2 .

It is a cyclic number.

It is not a de Polignac number, because 6278206513 - 2¹³ = 6278198321 is a prime.

It is not a weakly prime, because it can be changed into another prime (6278201513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3139103256 + 3139103257.

It is an arithmetic number, because the mean of its divisors is an integer number (3139103257).

Almost surely, 2^6278206513 is an apocalyptic number.

It is an amenable number.

6278206513 is a deficient number, since it is larger than the sum of its proper divisors (1).

6278206513 is an equidigital number, since it uses as much as digits as its factorization.

6278206513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 6278206513 is about 79235.1343344605. The cubic root of 6278206513 is about 1844.7826226761.

The spelling of 6278206513 in words is "six billion, two hundred seventy-eight million, two hundred six thousand, five hundred thirteen".