6445452545446 has 4 divisors (see below), whose sum is σ = 9668178818172. Its totient is φ = 3222726272722.

The previous prime is 6445452545377. The next prime is 6445452545461.

6445452545446 is nontrivially palindromic in base 10.

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

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, 1611363136360 + ... + 1611363136363.

It is an arithmetic number, because the mean of its divisors is an integer number (2417044704543).

Almost surely, 2^{6445452545446} is an apocalyptic number.

6445452545446 is a deficient number, since it is larger than the sum of its proper divisors (3222726272726).

6445452545446 is a wasteful number, since it uses less digits than its factorization.

6445452545446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222726272725.

The product of its digits is 184320000, while the sum is 58.

The spelling of 6445452545446 in words is "six trillion, four hundred forty-five billion, four hundred fifty-two million, five hundred forty-five thousand, four hundred forty-six".