9481234181 has 4 divisors (see below), whose sum is σ = 9481432032. Its totient is φ = 9481036332.

The previous prime is 9481234177. The next prime is 9481234187. The reversal of 9481234181 is 1814321849.

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 9481234181 - 2² = 9481234177 is a prime.

It is a super-2 number, since 2×9481234181² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9481234187) 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, 23270 + ... + 139656.

It is an arithmetic number, because the mean of its divisors is an integer number (2370358008).

Almost surely, 2^9481234181 is an apocalyptic number.

It is an amenable number.

9481234181 is a deficient number, since it is larger than the sum of its proper divisors (197851).

9481234181 is a wasteful number, since it uses less digits than its factorization.

9481234181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197850.

The product of its digits is 55296, while the sum is 41.

The square root of 9481234181 is about 97371.6292407599. The cubic root of 9481234181 is about 2116.5163343112.

The spelling of 9481234181 in words is "nine billion, four hundred eighty-one million, two hundred thirty-four thousand, one hundred eighty-one".