6844538354487 has 16 divisors (see below), whose sum is σ = 9128692235520. Its totient is φ = 4561705210752.

The previous prime is 6844538354449. The next prime is 6844538354503. The reversal of 6844538354487 is 7844538354486.

It is a happy number.

It is not a de Polignac number, because 6844538354487 - 2¹⁰ = 6844538353463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6844538354887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310553814 + ... + 310575852.

It is an arithmetic number, because the mean of its divisors is an integer number (570543264720).

Almost surely, 2^{6844538354487} is an apocalyptic number.

6844538354487 is a deficient number, since it is larger than the sum of its proper divisors (2284153881033).

6844538354487 is a wasteful number, since it uses less digits than its factorization.

6844538354487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47302.

The product of its digits is 1238630400, while the sum is 69.

Subtracting 6844538354487 from its reverse (7844538354486), we obtain a palindrome (999999999999).

The spelling of 6844538354487 in words is "six trillion, eight hundred forty-four billion, five hundred thirty-eight million, three hundred fifty-four thousand, four hundred eighty-seven".