6826726711638 has 48 divisors (see below), whose sum is σ = 15304645479552. Its totient is φ = 2196939024000.

The previous prime is 6826726711633. The next prime is 6826726711697. The reversal of 6826726711638 is 8361176276286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6826726711633) 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 23 ways as a sum of consecutive naturals, for example, 14295103 + ... + 14764938.

It is an arithmetic number, because the mean of its divisors is an integer number (318846780824).

Almost surely, 2^{6826726711638} is an apocalyptic number.

6826726711638 is an abundant number, since it is smaller than the sum of its proper divisors (8477918767914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6826726711638 is a wasteful number, since it uses less digits than its factorization.

6826726711638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29060501 (or 29060498 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The spelling of 6826726711638 in words is "six trillion, eight hundred twenty-six billion, seven hundred twenty-six million, seven hundred eleven thousand, six hundred thirty-eight".