6841869618068 has 24 divisors (see below), whose sum is σ = 11985012282600. Its totient is φ = 3417581173760.

The previous prime is 6841869618061. The next prime is 6841869618131. The reversal of 6841869618068 is 8608169681486.

It can be written as a sum of positive squares in 4 ways, for example, as 2529842940304 + 4312026677764 = 1590548^2 + 2076542^2 .

It is a super-2 number, since 2×6841869618068² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6841869617992 and 6841869618010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6841869618061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36721208 + ... + 36907056.

It is an arithmetic number, because the mean of its divisors is an integer number (499375511775).

Almost surely, 2^{6841869618068} is an apocalyptic number.

It is an amenable number.

6841869618068 is a deficient number, since it is larger than the sum of its proper divisors (5143142664532).

6841869618068 is a wasteful number, since it uses less digits than its factorization.

6841869618068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194827 (or 194825 counting only the distinct ones).

The product of its (nonzero) digits is 191102976, while the sum is 71.

The spelling of 6841869618068 in words is "six trillion, eight hundred forty-one billion, eight hundred sixty-nine million, six hundred eighteen thousand, sixty-eight".