6428324685 has 64 divisors (see below), whose sum is σ = 10896415488. Its totient is φ = 3232180224.

The previous prime is 6428324569. The next prime is 6428324729. The reversal of 6428324685 is 5864238246.

It is not a de Polignac number, because 6428324685 - 2¹⁵ = 6428291917 is a prime.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 2440129 + ... + 2442761.

It is an arithmetic number, because the mean of its divisors is an integer number (170256492).

Almost surely, 2^6428324685 is an apocalyptic number.

It is an amenable number.

6428324685 is a deficient number, since it is larger than the sum of its proper divisors (4468090803).

6428324685 is a wasteful number, since it uses less digits than its factorization.

6428324685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814.

The product of its digits is 2211840, while the sum is 48.

The square root of 6428324685 is about 80176.8338424510. The cubic root of 6428324685 is about 1859.3704931219.

The spelling of 6428324685 in words is "six billion, four hundred twenty-eight million, three hundred twenty-four thousand, six hundred eighty-five".