65844650334 has 16 divisors (see below), whose sum is σ = 134751843072. Its totient is φ = 21437793048.

The previous prime is 65844650327. The next prime is 65844650369. The reversal of 65844650334 is 43305644856.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127605654 + ... + 127606169.

It is an arithmetic number, because the mean of its divisors is an integer number (8421990192).

Almost surely, 2^65844650334 is an apocalyptic number.

65844650334 is an abundant number, since it is smaller than the sum of its proper divisors (68907192738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65844650334 is a wasteful number, since it uses less digits than its factorization.

65844650334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255211871.

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 65844650334 in words is "sixty-five billion, eight hundred forty-four million, six hundred fifty thousand, three hundred thirty-four".