6849015317 has 2 divisors, whose sum is σ = 6849015318. Its totient is φ = 6849015316.

The previous prime is 6849015307. The next prime is 6849015319. The reversal of 6849015317 is 7135109486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6843591076 + 5424241 = 82726^2 + 2329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6849015317 is a prime.

It is a super-2 number, since 2×6849015317² = 93818021625001220978, which contains 22 as substring.

Together with 6849015319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6849015319) 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, 3424507658 + 3424507659.

It is an arithmetic number, because the mean of its divisors is an integer number (3424507659).

Almost surely, 2^6849015317 is an apocalyptic number.

It is an amenable number.

6849015317 is a deficient number, since it is larger than the sum of its proper divisors (1).

6849015317 is an equidigital number, since it uses as much as digits as its factorization.

6849015317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 6849015317 is about 82758.7778848866. Note that the first 3 decimals coincide. The cubic root of 6849015317 is about 1899.0776055549.

The spelling of 6849015317 in words is "six billion, eight hundred forty-nine million, fifteen thousand, three hundred seventeen".