64803569832 has 80 divisors (see below), whose sum is σ = 192187090260. Its totient is φ = 20330528256.

The previous prime is 64803569791. The next prime is 64803569833. The reversal of 64803569832 is 23896530846.

64803569832 is a `hidden beast` number, since 6 + 48 + 0 + 3 + 569 + 8 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 62177417316 + 2626152516 = 249354^2 + 51246^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (64803569833) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 2930323 + ... + 2952354.

Almost surely, 2^64803569832 is an apocalyptic number.

It is an amenable number.

64803569832 is an abundant number, since it is smaller than the sum of its proper divisors (127383520428).

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

64803569832 is a wasteful number, since it uses less digits than its factorization.

64803569832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882712 (or 5882699 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 64803569832 in words is "sixty-four billion, eight hundred three million, five hundred sixty-nine thousand, eight hundred thirty-two".