6687603187339 has 2 divisors, whose sum is σ = 6687603187340. Its totient is φ = 6687603187338.

The previous prime is 6687603187313. The next prime is 6687603187373. The reversal of 6687603187339 is 9337813067866.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6687603187339 - 2⁷ = 6687603187211 is a prime.

It is not a weakly prime, because it can be changed into another prime (6687603181339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3343801593669 + 3343801593670.

It is an arithmetic number, because the mean of its divisors is an integer number (3343801593670).

Almost surely, 2^{6687603187339} is an apocalyptic number.

6687603187339 is a deficient number, since it is larger than the sum of its proper divisors (1).

6687603187339 is an equidigital number, since it uses as much as digits as its factorization.

6687603187339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164602368, while the sum is 67.

The spelling of 6687603187339 in words is "six trillion, six hundred eighty-seven billion, six hundred three million, one hundred eighty-seven thousand, three hundred thirty-nine".