64733539113 has 6 divisors (see below), whose sum is σ = 93504000954. Its totient is φ = 43155692736.

The previous prime is 64733539109. The next prime is 64733539133. The reversal of 64733539113 is 31193533746.

64733539113 is a `hidden beast` number, since 6 + 473 + 35 + 39 + 113 = 666.

It can be written as a sum of positive squares in only one way, i.e., 44464891689 + 20268647424 = 210867^2 + 142368^2 .

It is not a de Polignac number, because 64733539113 - 2² = 64733539109 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64733539133) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3596307720 + ... + 3596307737.

It is an arithmetic number, because the mean of its divisors is an integer number (15584000159).

Almost surely, 2^64733539113 is an apocalyptic number.

It is an amenable number.

64733539113 is a deficient number, since it is larger than the sum of its proper divisors (28770461841).

64733539113 is a wasteful number, since it uses less digits than its factorization.

64733539113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7192615463 (or 7192615460 counting only the distinct ones).

The product of its digits is 612360, while the sum is 45.

The spelling of 64733539113 in words is "sixty-four billion, seven hundred thirty-three million, five hundred thirty-nine thousand, one hundred thirteen".