6465735828 has 18 divisors (see below), whose sum is σ = 16343943434. Its totient is φ = 2155245264.

The previous prime is 6465735811. The next prime is 6465735841. The reversal of 6465735828 is 8285375646.

6465735828 is a `hidden beast` number, since 6 + 4 + 6 + 57 + 3 + 582 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6236576784 + 229159044 = 78972^2 + 15138^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89801851 + ... + 89801922.

Almost surely, 2^6465735828 is an apocalyptic number.

It is an amenable number.

6465735828 is an abundant number, since it is smaller than the sum of its proper divisors (9878207606).

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

6465735828 is a wasteful number, since it uses less digits than its factorization.

6465735828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179603783 (or 179603778 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The square root of 6465735828 is about 80409.7993281913. The cubic root of 6465735828 is about 1862.9705325772.

The spelling of 6465735828 in words is "six billion, four hundred sixty-five million, seven hundred thirty-five thousand, eight hundred twenty-eight".