6841978835 has 12 divisors (see below), whose sum is σ = 8224915728. Its totient is φ = 5463905328.

The previous prime is 6841978813. The next prime is 6841978859. The reversal of 6841978835 is 5388791486.

It is a happy number.

It is not a de Polignac number, because 6841978835 - 2³² = 2547011539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2583482 + ... + 2586128.

It is an arithmetic number, because the mean of its divisors is an integer number (685409644).

Almost surely, 2^6841978835 is an apocalyptic number.

6841978835 is a deficient number, since it is larger than the sum of its proper divisors (1382936893).

6841978835 is an frugal number, since it uses more digits than its factorization.

6841978835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4090 (or 3371 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 59.

The square root of 6841978835 is about 82716.2549623712. The cubic root of 6841978835 is about 1898.4270300790.

The spelling of 6841978835 in words is "six billion, eight hundred forty-one million, nine hundred seventy-eight thousand, eight hundred thirty-five".