64486068446 has 16 divisors (see below), whose sum is σ = 97012051488. Its totient is φ = 32148760800.

The previous prime is 64486068433. The next prime is 64486068481.

64486068446 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64486068391 and 64486068400.

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, 4163156 + ... + 4178616.

It is an arithmetic number, because the mean of its divisors is an integer number (6063253218).

Almost surely, 2^64486068446 is an apocalyptic number.

64486068446 is a deficient number, since it is larger than the sum of its proper divisors (32525983042).

64486068446 is a wasteful number, since it uses less digits than its factorization.

64486068446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21427.

The product of its (nonzero) digits is 21233664, while the sum is 56.

The spelling of 64486068446 in words is "sixty-four billion, four hundred eighty-six million, sixty-eight thousand, four hundred forty-six".