6446946496446 has 48 divisors (see below), whose sum is σ = 14059002718800. Its totient is φ = 2135062347264.

The previous prime is 6446946496429. The next prime is 6446946496499.

6446946496446 is a `hidden beast` number, since 6 + 4 + 4 + 6 + 94 + 6 + 4 + 96 + 446 = 666.

6446946496446 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2703310 + ... + 4494638.

It is an arithmetic number, because the mean of its divisors is an integer number (292895889975).

Almost surely, 2^{6446946496446} is an apocalyptic number.

6446946496446 is an abundant number, since it is smaller than the sum of its proper divisors (7612056222354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6446946496446 is a wasteful number, since it uses less digits than its factorization.

6446946496446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792633 (or 1792630 counting only the distinct ones).

The product of its digits is 2579890176, while the sum is 72.

The spelling of 6446946496446 in words is "six trillion, four hundred forty-six billion, nine hundred forty-six million, four hundred ninety-six thousand, four hundred forty-six".