6820454242 has 16 divisors (see below), whose sum is σ = 11694940992. Its totient is φ = 2922368400.

The previous prime is 6820454239. The next prime is 6820454269. The reversal of 6820454242 is 2424540286.

6820454242 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 7588 + ... + 117040.

It is an arithmetic number, because the mean of its divisors is an integer number (730933812).

Almost surely, 2^6820454242 is an apocalyptic number.

6820454242 is a deficient number, since it is larger than the sum of its proper divisors (4874486750).

6820454242 is a wasteful number, since it uses less digits than its factorization.

6820454242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113913.

The product of its (nonzero) digits is 122880, while the sum is 37.

The square root of 6820454242 is about 82586.0414476926. The cubic root of 6820454242 is about 1896.4341468218.

The spelling of 6820454242 in words is "six billion, eight hundred twenty million, four hundred fifty-four thousand, two hundred forty-two".