6835386647 has 2 divisors, whose sum is σ = 6835386648. Its totient is φ = 6835386646.

The previous prime is 6835386617. The next prime is 6835386661. The reversal of 6835386647 is 7466835386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6835386647 - 2¹⁸ = 6835124503 is a prime.

It is a super-2 number, since 2×6835386647² = 93445021227971805218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6835386592 and 6835386601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6835386617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3417693323 + 3417693324.

It is an arithmetic number, because the mean of its divisors is an integer number (3417693324).

Almost surely, 2^6835386647 is an apocalyptic number.

6835386647 is a deficient number, since it is larger than the sum of its proper divisors (1).

6835386647 is an equidigital number, since it uses as much as digits as its factorization.

6835386647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 56.

The square root of 6835386647 is about 82676.3971578346. The cubic root of 6835386647 is about 1897.8171280980.

The spelling of 6835386647 in words is "six billion, eight hundred thirty-five million, three hundred eighty-six thousand, six hundred forty-seven".