6849015318 has 256 divisors, whose sum is σ = 17700249600. Its totient is φ = 1950842880.

The previous prime is 6849015317. The next prime is 6849015319. The reversal of 6849015318 is 8135109486.

6849015318 is a `hidden beast` number, since 6 + 8 + 490 + 153 + 1 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (6849015317) and next prime (6849015319).

It is a super-2 number, since 2×6849015318² = 93818021652397282248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6849015317) 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 in 127 ways as a sum of consecutive naturals, for example, 35487030 + ... + 35487222.

It is an arithmetic number, because the mean of its divisors is an integer number (69141600).

Almost surely, 2^6849015318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6849015318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8850124800).

6849015318 is an abundant number, since it is smaller than the sum of its proper divisors (10851234282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6849015318 is a wasteful number, since it uses less digits than its factorization.

6849015318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 6849015318 is about 82758.7778909283. Note that the first 3 decimals coincide. The cubic root of 6849015318 is about 1899.0776056473.

The spelling of 6849015318 in words is "six billion, eight hundred forty-nine million, fifteen thousand, three hundred eighteen".