6605782651313 has 2 divisors, whose sum is σ = 6605782651314. Its totient is φ = 6605782651312.

The previous prime is 6605782651283. The next prime is 6605782651399. The reversal of 6605782651313 is 3131562875066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5868370590784 + 737412060529 = 2422472^2 + 858727^2 .

It is a cyclic number.

It is not a de Polignac number, because 6605782651313 - 2⁸ = 6605782651057 is a prime.

It is a super-3 number, since 3×6605782651313³ (a number of 39 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (6605782621313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3302891325656 + 3302891325657.

It is an arithmetic number, because the mean of its divisors is an integer number (3302891325657).

Almost surely, 2^{6605782651313} is an apocalyptic number.

It is an amenable number.

6605782651313 is a deficient number, since it is larger than the sum of its proper divisors (1).

6605782651313 is an equidigital number, since it uses as much as digits as its factorization.

6605782651313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 6605782651313 in words is "six trillion, six hundred five billion, seven hundred eighty-two million, six hundred fifty-one thousand, three hundred thirteen".