8141728149 has 8 divisors (see below), whose sum is σ = 12061819520. Its totient is φ = 5427818748.

The previous prime is 8141728141. The next prime is 8141728169. The reversal of 8141728149 is 9418271418.

It is not a de Polignac number, because 8141728149 - 2³ = 8141728141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8141728141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150772717 + ... + 150772770.

It is an arithmetic number, because the mean of its divisors is an integer number (1507727440).

Almost surely, 2^8141728149 is an apocalyptic number.

It is an amenable number.

8141728149 is a deficient number, since it is larger than the sum of its proper divisors (3920091371).

8141728149 is a wasteful number, since it uses less digits than its factorization.

8141728149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301545496 (or 301545490 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 8141728149 is about 90231.5252503248. The cubic root of 8141728149 is about 2011.7416114665.

The spelling of 8141728149 in words is "eight billion, one hundred forty-one million, seven hundred twenty-eight thousand, one hundred forty-nine".