3006189881 has 2 divisors, whose sum is σ = 3006189882. Its totient is φ = 3006189880.

The previous prime is 3006189869. The next prime is 3006189887. The reversal of 3006189881 is 1889816003.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2907366400 + 98823481 = 53920^2 + 9941^2 .

It is a cyclic number.

It is not a de Polignac number, because 3006189881 - 2⁶ = 3006189817 is a prime.

It is a super-2 number, since 2×3006189881² = 18074355201253588322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3006189887) 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 as a sum of consecutive naturals, namely, 1503094940 + 1503094941.

It is an arithmetic number, because the mean of its divisors is an integer number (1503094941).

Almost surely, 2^3006189881 is an apocalyptic number.

It is an amenable number.

3006189881 is a deficient number, since it is larger than the sum of its proper divisors (1).

3006189881 is an equidigital number, since it uses as much as digits as its factorization.

3006189881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 3006189881 is about 54828.7322578226. The cubic root of 3006189881 is about 1443.2408170100.

The spelling of 3006189881 in words is "three billion, six million, one hundred eighty-nine thousand, eight hundred eighty-one".