64313984159999 has 32 divisors (see below), whose sum is σ = 73768605864576. Its totient is φ = 54926445772800.

The previous prime is 64313984159891. The next prime is 64313984160011. The reversal of 64313984159999 is 99995148931346.

It is a Cunningham number, because it is equal to 8019600²-1.

It is not a de Polignac number, because 64313984159999 - 2²⁰ = 64313983111423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64313984159099) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14250825167 + ... + 14250829679.

It is an arithmetic number, because the mean of its divisors is an integer number (2305268933268).

Almost surely, 2^{64313984159999} is an apocalyptic number.

64313984159999 is a deficient number, since it is larger than the sum of its proper divisors (9454621704577).

64313984159999 is a wasteful number, since it uses less digits than its factorization.

64313984159999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9555.

The product of its digits is 2040733440, while the sum is 80.

The spelling of 64313984159999 in words is "sixty-four trillion, three hundred thirteen billion, nine hundred eighty-four million, one hundred fifty-nine thousand, nine hundred ninety-nine".