64181344017 has 16 divisors (see below), whose sum is σ = 99880998912. Its totient is φ = 35894732880.

The previous prime is 64181344013. The next prime is 64181344039. The reversal of 64181344017 is 71044318146.

It is not a de Polignac number, because 64181344017 - 2² = 64181344013 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64181344013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32512359 + ... + 32514332.

It is an arithmetic number, because the mean of its divisors is an integer number (6242562432).

Almost surely, 2^64181344017 is an apocalyptic number.

It is an amenable number.

64181344017 is a deficient number, since it is larger than the sum of its proper divisors (35699654895).

64181344017 is a wasteful number, since it uses less digits than its factorization.

64181344017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65026748.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 64181344017 in words is "sixty-four billion, one hundred eighty-one million, three hundred forty-four thousand, seventeen".