449474901466671 has 6 divisors (see below), whose sum is σ = 649241524340760. Its totient is φ = 299649934311108.

The previous prime is 449474901466579. The next prime is 449474901466681. The reversal of 449474901466671 is 176664109474944.

It is not a de Polignac number, because 449474901466671 - 2²⁶ = 449474834357807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 449474901466671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449474901466681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24970827859251 + ... + 24970827859268.

It is an arithmetic number, because the mean of its divisors is an integer number (108206920723460).

Almost surely, 2^{449474901466671} is an apocalyptic number.

449474901466671 is a deficient number, since it is larger than the sum of its proper divisors (199766622874089).

449474901466671 is a wasteful number, since it uses less digits than its factorization.

449474901466671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49941655718525 (or 49941655718522 counting only the distinct ones).

The product of its (nonzero) digits is 877879296, while the sum is 72.

The spelling of 449474901466671 in words is "four hundred forty-nine trillion, four hundred seventy-four billion, nine hundred one million, four hundred sixty-six thousand, six hundred seventy-one".