64163254040033 has 4 divisors (see below), whose sum is σ = 64164303326148. Its totient is φ = 64162204753920.

The previous prime is 64163254040023. The next prime is 64163254040099. The reversal of 64163254040033 is 33004045236146.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43547949233569 + 20615304806464 = 6599087^2 + 4540408^2 .

It is a cyclic number.

It is not a de Polignac number, because 64163254040033 - 2⁴⁰ = 63063742412257 is a prime.

It is a super-2 number, since 2×64163254040033² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64163254040023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524551328 + ... + 524673633.

It is an arithmetic number, because the mean of its divisors is an integer number (16041075831537).

Almost surely, 2^{64163254040033} is an apocalyptic number.

It is an amenable number.

64163254040033 is a deficient number, since it is larger than the sum of its proper divisors (1049286115).

64163254040033 is a wasteful number, since it uses less digits than its factorization.

64163254040033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049286114.

The product of its (nonzero) digits is 622080, while the sum is 41.

Adding to 64163254040033 its reverse (33004045236146), we get a palindrome (97167299276179).

The spelling of 64163254040033 in words is "sixty-four trillion, one hundred sixty-three billion, two hundred fifty-four million, forty thousand, thirty-three".