64811672629333 has 12 divisors (see below), whose sum is σ = 78671134124640. Its totient is φ = 53137520415672.

The previous prime is 64811672629321. The next prime is 64811672629381. The reversal of 64811672629333 is 33392627611846.

64811672629333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-64811672629333 is a prime.

It is a super-2 number, since 2×64811672629333² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64811672629393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28754068363 + ... + 28754070616.

It is an arithmetic number, because the mean of its divisors is an integer number (6555927843720).

Almost surely, 2^{64811672629333} is an apocalyptic number.

It is an amenable number.

64811672629333 is a deficient number, since it is larger than the sum of its proper divisors (13859461495307).

64811672629333 is a wasteful number, since it uses less digits than its factorization.

64811672629333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57508139016 (or 57508139009 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 61.

The spelling of 64811672629333 in words is "sixty-four trillion, eight hundred eleven billion, six hundred seventy-two million, six hundred twenty-nine thousand, three hundred thirty-three".