6820553474 has 32 divisors (see below), whose sum is σ = 12114296832. Its totient is φ = 2818314000.

The previous prime is 6820553429. The next prime is 6820553477. The reversal of 6820553474 is 4743550286.

It is not an unprimeable number, because it can be changed into a prime (6820553477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88619 + ... + 146609.

It is an arithmetic number, because the mean of its divisors is an integer number (378571776).

Almost surely, 2^6820553474 is an apocalyptic number.

6820553474 is a deficient number, since it is larger than the sum of its proper divisors (5293743358).

6820553474 is a wasteful number, since it uses less digits than its factorization.

6820553474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58302.

The product of its (nonzero) digits is 806400, while the sum is 44.

The square root of 6820553474 is about 82586.6422249991. The cubic root of 6820553474 is about 1896.4433439629.

The spelling of 6820553474 in words is "six billion, eight hundred twenty million, five hundred fifty-three thousand, four hundred seventy-four".