6828664501 has 4 divisors (see below), whose sum is σ = 6839285152. Its totient is φ = 6818043852.

The previous prime is 6828664471. The next prime is 6828664517. The reversal of 6828664501 is 1054668286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6828664501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6828664301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5309361 + ... + 5310646.

It is an arithmetic number, because the mean of its divisors is an integer number (1709821288).

Almost surely, 2^6828664501 is an apocalyptic number.

It is an amenable number.

6828664501 is a deficient number, since it is larger than the sum of its proper divisors (10620651).

6828664501 is a wasteful number, since it uses less digits than its factorization.

6828664501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10620650.

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 6828664501 is about 82635.7338020302. The cubic root of 6828664501 is about 1897.1947986050.

The spelling of 6828664501 in words is "six billion, eight hundred twenty-eight million, six hundred sixty-four thousand, five hundred one".