8681868141 has 4 divisors (see below), whose sum is σ = 11575824192. Its totient is φ = 5787912092.

The previous prime is 8681868119. The next prime is 8681868161. The reversal of 8681868141 is 1418681868.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8681868141 - 2⁶ = 8681868077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8681868101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1446978021 + ... + 1446978026.

It is an arithmetic number, because the mean of its divisors is an integer number (2893956048).

Almost surely, 2^8681868141 is an apocalyptic number.

It is an amenable number.

8681868141 is a deficient number, since it is larger than the sum of its proper divisors (2893956051).

8681868141 is a wasteful number, since it uses less digits than its factorization.

8681868141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893956050.

The product of its digits is 589824, while the sum is 51.

The square root of 8681868141 is about 93176.5428689002. The cubic root of 8681868141 is about 2055.2803110383.

The spelling of 8681868141 in words is "eight billion, six hundred eighty-one million, eight hundred sixty-eight thousand, one hundred forty-one".