6428085206 has 64 divisors (see below), whose sum is σ = 10649318400. Its totient is φ = 2899411200.

The previous prime is 6428085173. The next prime is 6428085227. The reversal of 6428085206 is 6025808246.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22713941 + ... + 22714223.

It is an arithmetic number, because the mean of its divisors is an integer number (166395600).

Almost surely, 2^6428085206 is an apocalyptic number.

6428085206 is a deficient number, since it is larger than the sum of its proper divisors (4221233194).

6428085206 is a wasteful number, since it uses less digits than its factorization.

6428085206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 6428085206 is about 80175.3403859316. The cubic root of 6428085206 is about 1859.3474033466.

The spelling of 6428085206 in words is "six billion, four hundred twenty-eight million, eighty-five thousand, two hundred six".