183848981 has 2 divisors, whose sum is σ = 183848982. Its totient is φ = 183848980.

The previous prime is 183848971. The next prime is 183848983. The reversal of 183848981 is 189848381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183846481 + 2500 = 13559^2 + 50^2 .

It is a cyclic number.

It is not a de Polignac number, because 183848981 - 2²² = 179654677 is a prime.

It is a super-2 number, since 2×183848981² = 67600895629476722, which contains 22 as substring.

Together with 183848983, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (183848983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91924490 + 91924491.

It is an arithmetic number, because the mean of its divisors is an integer number (91924491).

Almost surely, 2^183848981 is an apocalyptic number.

It is an amenable number.

183848981 is a deficient number, since it is larger than the sum of its proper divisors (1).

183848981 is an equidigital number, since it uses as much as digits as its factorization.

183848981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442368, while the sum is 50.

The square root of 183848981 is about 13559.0921893761. The cubic root of 183848981 is about 568.6177454269.

The spelling of 183848981 in words is "one hundred eighty-three million, eight hundred forty-eight thousand, nine hundred eighty-one".