6428086469 has 8 divisors (see below), whose sum is σ = 7517231040. Its totient is φ = 5381653536.

The previous prime is 6428086447. The next prime is 6428086471. The reversal of 6428086469 is 9646808246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-6428086469 is a prime.

It is a super-2 number, since 2×6428086469² = 82640591305881775922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6428086469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6428086409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10677584 + ... + 10678185.

It is an arithmetic number, because the mean of its divisors is an integer number (939653880).

Almost surely, 2^6428086469 is an apocalyptic number.

It is an amenable number.

6428086469 is a deficient number, since it is larger than the sum of its proper divisors (1089144571).

6428086469 is a wasteful number, since it uses less digits than its factorization.

6428086469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21355819.

The product of its (nonzero) digits is 3981312, while the sum is 53.

The square root of 6428086469 is about 80175.3482624179. The cubic root of 6428086469 is about 1859.3475251224.

The spelling of 6428086469 in words is "six billion, four hundred twenty-eight million, eighty-six thousand, four hundred sixty-nine".