6448670768446 has 16 divisors (see below), whose sum is σ = 9680331789648. Its totient is φ = 3221894232000.

The previous prime is 6448670768443. The next prime is 6448670768447.

6448670768446 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448670768443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17907361 + ... + 18263923.

It is an arithmetic number, because the mean of its divisors is an integer number (605020736853).

Almost surely, 2^{6448670768446} is an apocalyptic number.

6448670768446 is a deficient number, since it is larger than the sum of its proper divisors (3231661021202).

6448670768446 is a wasteful number, since it uses less digits than its factorization.

6448670768446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363387.

The product of its (nonzero) digits is 1040449536, while the sum is 70.

The spelling of 6448670768446 in words is "six trillion, four hundred forty-eight billion, six hundred seventy million, seven hundred sixty-eight thousand, four hundred forty-six".