64344555544347 has 48 divisors (see below), whose sum is σ = 100183456490208. Its totient is φ = 39560289684480.

The previous prime is 64344555544319. The next prime is 64344555544393. The reversal of 64344555544347 is 74344555544346.

64344555544347 is a `hidden beast` number, since 6 + 4 + 3 + 4 + 4 + 5 + 55 + 544 + 34 + 7 = 666.

It is not a de Polignac number, because 64344555544347 - 2³⁵ = 64310195805979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64344555544447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2989838947 + ... + 2989860467.

It is an arithmetic number, because the mean of its divisors is an integer number (2087155343546).

Almost surely, 2^{64344555544347} is an apocalyptic number.

64344555544347 is a deficient number, since it is larger than the sum of its proper divisors (35838900945861).

64344555544347 is a wasteful number, since it uses less digits than its factorization.

64344555544347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43820 (or 43817 counting only the distinct ones).

The product of its digits is 967680000, while the sum is 63.

Subtracting 64344555544347 from its reverse (74344555544346), we obtain a palindrome (9999999999999).

The spelling of 64344555544347 in words is "sixty-four trillion, three hundred forty-four billion, five hundred fifty-five million, five hundred forty-four thousand, three hundred forty-seven".