448309666468163 has 4 divisors (see below), whose sum is σ = 449905074534168. Its totient is φ = 446714258402160.

The previous prime is 448309666468133. The next prime is 448309666468211. The reversal of 448309666468163 is 361864666903844.

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

It is a cyclic number.

It is not a de Polignac number, because 448309666468163 - 2³⁰ = 448308592726339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448309666468133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797704032581 + ... + 797704033142.

It is an arithmetic number, because the mean of its divisors is an integer number (112476268633542).

Almost surely, 2^{448309666468163} is an apocalyptic number.

448309666468163 is a deficient number, since it is larger than the sum of its proper divisors (1595408066005).

448309666468163 is a wasteful number, since it uses less digits than its factorization.

448309666468163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595408066004.

The product of its (nonzero) digits is 2579890176, while the sum is 74.

The spelling of 448309666468163 in words is "four hundred forty-eight trillion, three hundred nine billion, six hundred sixty-six million, four hundred sixty-eight thousand, one hundred sixty-three".