6820418474 has 16 divisors (see below), whose sum is σ = 10263939840. Its totient is φ = 3399122160.

The previous prime is 6820418471. The next prime is 6820418477. The reversal of 6820418474 is 4748140286.

It is an interprime number because it is at equal distance from previous prime (6820418471) and next prime (6820418477).

It is not an unprimeable number, because it can be changed into a prime (6820418471) 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 7 ways as a sum of consecutive naturals, for example, 976607 + ... + 983565.

It is an arithmetic number, because the mean of its divisors is an integer number (641496240).

Almost surely, 2^6820418474 is an apocalyptic number.

6820418474 is a deficient number, since it is larger than the sum of its proper divisors (3443521366).

6820418474 is a wasteful number, since it uses less digits than its factorization.

6820418474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8485.

The product of its (nonzero) digits is 344064, while the sum is 44.

The square root of 6820418474 is about 82585.8248974968. The cubic root of 6820418474 is about 1896.4308317066.

The spelling of 6820418474 in words is "six billion, eight hundred twenty million, four hundred eighteen thousand, four hundred seventy-four".