6445464645446 has 8 divisors (see below), whose sum is σ = 9668303733720. Its totient is φ = 3222696734208.

The previous prime is 6445464645437. The next prime is 6445464645469.

6445464645446 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17567291 + ... + 17930438.

It is an arithmetic number, because the mean of its divisors is an integer number (1208537966715).

Almost surely, 2^{6445464645446} is an apocalyptic number.

6445464645446 is a deficient number, since it is larger than the sum of its proper divisors (3222839088274).

6445464645446 is a wasteful number, since it uses less digits than its factorization.

6445464645446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35588518.

The product of its digits is 530841600, while the sum is 62.

The spelling of 6445464645446 in words is "six trillion, four hundred forty-five billion, four hundred sixty-four million, six hundred forty-five thousand, four hundred forty-six".