64854243856133 has 8 divisors (see below), whose sum is σ = 69123962289600. Its totient is φ = 60635054635200.

The previous prime is 64854243856111. The next prime is 64854243856139. The reversal of 64854243856133 is 33165834245846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64854243856133 - 2¹⁰ = 64854243855109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64854243856139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12632300483 + ... + 12632305616.

It is an arithmetic number, because the mean of its divisors is an integer number (8640495286200).

Almost surely, 2^{64854243856133} is an apocalyptic number.

It is an amenable number.

64854243856133 is a deficient number, since it is larger than the sum of its proper divisors (4269718433467).

64854243856133 is a wasteful number, since it uses less digits than its factorization.

64854243856133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25264606267.

The product of its digits is 199065600, while the sum is 62.

The spelling of 64854243856133 in words is "sixty-four trillion, eight hundred fifty-four billion, two hundred forty-three million, eight hundred fifty-six thousand, one hundred thirty-three".