6849193018 has 8 divisors (see below), whose sum is σ = 10275943860. Its totient is φ = 3423878400.

The previous prime is 6849193009. The next prime is 6849193027. The reversal of 6849193018 is 8103919486.

It is an interprime number because it is at equal distance from previous prime (6849193009) and next prime (6849193027).

It can be written as a sum of positive squares in 2 ways, for example, as 6848721049 + 471969 = 82757^2 + 687^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6849193018² = 93822889995639896648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347053 + ... + 366256.

Almost surely, 2^6849193018 is an apocalyptic number.

6849193018 is a deficient number, since it is larger than the sum of its proper divisors (3426750842).

6849193018 is a wasteful number, since it uses less digits than its factorization.

6849193018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718112.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 6849193018 is about 82759.8514860920. The cubic root of 6849193018 is about 1899.0940295738.

The spelling of 6849193018 in words is "six billion, eight hundred forty-nine million, one hundred ninety-three thousand, eighteen".