64344555544346 has 16 divisors (see below), whose sum is σ = 120332675304000. Its totient is φ = 25069307354880.

The previous prime is 64344555544319. The next prime is 64344555544393.

64344555544346 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208910894471 + ... + 208910894778.

It is an arithmetic number, because the mean of its divisors is an integer number (7520792206500).

Almost surely, 2^{64344555544346} is an apocalyptic number.

64344555544346 is a deficient number, since it is larger than the sum of its proper divisors (55988119759654).

64344555544346 is a wasteful number, since it uses less digits than its factorization.

64344555544346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417821789269.

The product of its digits is 829440000, while the sum is 62.

The spelling of 64344555544346 in words is "sixty-four trillion, three hundred forty-four billion, five hundred fifty-five million, five hundred forty-four thousand, three hundred forty-six".