64318281346 has 16 divisors (see below), whose sum is σ = 105350217408. Its totient is φ = 29207215600.

The previous prime is 64318281343. The next prime is 64318281347.

64318281346 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64318281296 and 64318281305.

It is not an unprimeable number, because it can be changed into a prime (64318281341) by changing a digit.

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, 1395145 + ... + 1440508.

It is an arithmetic number, because the mean of its divisors is an integer number (6584388588).

Almost surely, 2^64318281346 is an apocalyptic number.

64318281346 is a deficient number, since it is larger than the sum of its proper divisors (41031936062).

64318281346 is a wasteful number, since it uses less digits than its factorization.

64318281346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836697.

The product of its digits is 663552, while the sum is 46.

The spelling of 64318281346 in words is "sixty-four billion, three hundred eighteen million, two hundred eighty-one thousand, three hundred forty-six".