6442460642446 has 4 divisors (see below), whose sum is σ = 9663690963672. Its totient is φ = 3221230321222.

The previous prime is 6442460642417. The next prime is 6442460642459.

6442460642446 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 6442460642393 and 6442460642402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610615160610 + ... + 1610615160613.

It is an arithmetic number, because the mean of its divisors is an integer number (2415922740918).

Almost surely, 2^{6442460642446} is an apocalyptic number.

6442460642446 is a deficient number, since it is larger than the sum of its proper divisors (3221230321226).

6442460642446 is a wasteful number, since it uses less digits than its factorization.

6442460642446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221230321225.

The product of its (nonzero) digits is 21233664, while the sum is 52.

The spelling of 6442460642446 in words is "six trillion, four hundred forty-two billion, four hundred sixty million, six hundred forty-two thousand, four hundred forty-six".