4468840838491 has 4 divisors (see below), whose sum is σ = 4469571883512. Its totient is φ = 4468109793472.

The previous prime is 4468840838453. The next prime is 4468840838513. The reversal of 4468840838491 is 1948380488644.

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 4468840838491 - 2²⁵ = 4468807284059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4468840838191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365513341 + ... + 365525566.

It is an arithmetic number, because the mean of its divisors is an integer number (1117392970878).

Almost surely, 2^{4468840838491} is an apocalyptic number.

4468840838491 is a deficient number, since it is larger than the sum of its proper divisors (731045021).

4468840838491 is an equidigital number, since it uses as much as digits as its factorization.

4468840838491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731045020.

The product of its (nonzero) digits is 169869312, while the sum is 67.

The spelling of 4468840838491 in words is "four trillion, four hundred sixty-eight billion, eight hundred forty million, eight hundred thirty-eight thousand, four hundred ninety-one".