6840196894 has 8 divisors (see below), whose sum is σ = 10276303968. Its totient is φ = 3414762240.

The previous prime is 6840196889. The next prime is 6840196931. The reversal of 6840196894 is 4986910486.

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

It is a congruent number.

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, 2666502 + ... + 2669065.

It is an arithmetic number, because the mean of its divisors is an integer number (1284537996).

Almost surely, 2^6840196894 is an apocalyptic number.

6840196894 is a deficient number, since it is larger than the sum of its proper divisors (3436107074).

6840196894 is a wasteful number, since it uses less digits than its factorization.

6840196894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5336210.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 6840196894 is about 82705.4828533151. The cubic root of 6840196894 is about 1898.2622055077.

The spelling of 6840196894 in words is "six billion, eight hundred forty million, one hundred ninety-six thousand, eight hundred ninety-four".