6446454546446 has 4 divisors (see below), whose sum is σ = 9669681819672. Its totient is φ = 3223227273222.

The previous prime is 6446454546443. The next prime is 6446454546449.

6446454546446 is nontrivially palindromic in base 10.

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

It is an interprime number because it is at equal distance from previous prime (6446454546443) and next prime (6446454546449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6446454546443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611613636610 + ... + 1611613636613.

It is an arithmetic number, because the mean of its divisors is an integer number (2417420454918).

Almost surely, 2^{6446454546446} is an apocalyptic number.

6446454546446 is a deficient number, since it is larger than the sum of its proper divisors (3223227273226).

6446454546446 is a wasteful number, since it uses less digits than its factorization.

6446454546446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223227273225.

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

The spelling of 6446454546446 in words is "six trillion, four hundred forty-six billion, four hundred fifty-four million, five hundred forty-six thousand, four hundred forty-six".