64609384843014 has 128 divisors (see below), whose sum is σ = 151661884101120. Its totient is φ = 18140770252800.

The previous prime is 64609384843009. The next prime is 64609384843049. The reversal of 64609384843014 is 41034848390646.

64609384843014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 19535134 + ... + 22601774.

It is an arithmetic number, because the mean of its divisors is an integer number (1184858469540).

Almost surely, 2^{64609384843014} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64609384843014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75830942050560).

64609384843014 is an abundant number, since it is smaller than the sum of its proper divisors (87052499258106).

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

64609384843014 is a wasteful number, since it uses less digits than its factorization.

64609384843014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067046.

The product of its (nonzero) digits is 47775744, while the sum is 60.

The spelling of 64609384843014 in words is "sixty-four trillion, six hundred nine billion, three hundred eighty-four million, eight hundred forty-three thousand, fourteen".