6838218909594 has 48 divisors (see below), whose sum is σ = 15390798014592. Its totient is φ = 2275562351808.

The previous prime is 6838218909593. The next prime is 6838218909611. The reversal of 6838218909594 is 4959098128386.

6838218909594 is a `hidden beast` number, since 6 + 8 + 3 + 8 + 21 + 8 + 9 + 0 + 9 + 594 = 666.

It is a super-2 number, since 2×6838218909594² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6838218909593) 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, 11575554 + ... + 12151949.

It is an arithmetic number, because the mean of its divisors is an integer number (320641625304).

Almost surely, 2^{6838218909594} is an apocalyptic number.

6838218909594 is an abundant number, since it is smaller than the sum of its proper divisors (8552579104998).

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

6838218909594 is a wasteful number, since it uses less digits than its factorization.

6838218909594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23728113 (or 23728101 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 72.

The spelling of 6838218909594 in words is "six trillion, eight hundred thirty-eight billion, two hundred eighteen million, nine hundred nine thousand, five hundred ninety-four".