6429842886 has 16 divisors (see below), whose sum is σ = 12913048368. Its totient is φ = 2134387200.

The previous prime is 6429842863. The next prime is 6429842893. The reversal of 6429842886 is 6882489246.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2221875 + ... + 2224766.

It is an arithmetic number, because the mean of its divisors is an integer number (807065523).

Almost surely, 2^6429842886 is an apocalyptic number.

6429842886 is an abundant number, since it is smaller than the sum of its proper divisors (6483205482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6429842886 is a wasteful number, since it uses less digits than its factorization.

6429842886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446887.

The product of its digits is 10616832, while the sum is 57.

The square root of 6429842886 is about 80186.3011118483. The cubic root of 6429842886 is about 1859.5168597144.

The spelling of 6429842886 in words is "six billion, four hundred twenty-nine million, eight hundred forty-two thousand, eight hundred eighty-six".