6840853819 has 8 divisors (see below), whose sum is σ = 7099364160. Its totient is φ = 6583851456.

The previous prime is 6840853801. The next prime is 6840853823. The reversal of 6840853819 is 9183580486.

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

It is a cyclic number.

It is not a de Polignac number, because 6840853819 - 2⁹ = 6840853307 is a prime.

It is a super-2 number, since 2×6840853819² = 93594561945853769522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6840853829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367747 + ... + 385900.

It is an arithmetic number, because the mean of its divisors is an integer number (887420520).

Almost surely, 2^6840853819 is an apocalyptic number.

6840853819 is a deficient number, since it is larger than the sum of its proper divisors (258510341).

6840853819 is a wasteful number, since it uses less digits than its factorization.

6840853819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753989.

The product of its (nonzero) digits is 1658880, while the sum is 52.

The square root of 6840853819 is about 82709.4542298521. The cubic root of 6840853819 is about 1898.3229725685.

The spelling of 6840853819 in words is "six billion, eight hundred forty million, eight hundred fifty-three thousand, eight hundred nineteen".