8241136281 has 24 divisors (see below), whose sum is σ = 13972106304. Its totient is φ = 4581943200.

The previous prime is 8241136273. The next prime is 8241136289. The reversal of 8241136281 is 1826311428.

8241136281 is a `hidden beast` number, since 8 + 24 + 1 + 1 + 3 + 628 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (8241136273) and next prime (8241136289).

It is not a de Polignac number, because 8241136281 - 2³ = 8241136273 is a prime.

It is a super-2 number, since 2×8241136281² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8241136289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1765395 + ... + 1770056.

It is an arithmetic number, because the mean of its divisors is an integer number (582171096).

Almost surely, 2^8241136281 is an apocalyptic number.

It is an amenable number.

8241136281 is a deficient number, since it is larger than the sum of its proper divisors (5730970023).

8241136281 is a wasteful number, since it uses less digits than its factorization.

8241136281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535501 (or 3535498 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 8241136281 is about 90780.7043429384. The cubic root of 8241136281 is about 2019.8961062306.

The spelling of 8241136281 in words is "eight billion, two hundred forty-one million, one hundred thirty-six thousand, two hundred eighty-one".