4030945181 has 2 divisors, whose sum is σ = 4030945182. Its totient is φ = 4030945180.

The previous prime is 4030945169. The next prime is 4030945183. The reversal of 4030945181 is 1815490304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2880039556 + 1150905625 = 53666^2 + 33925^2 .

It is a cyclic number.

It is not a de Polignac number, because 4030945181 - 2⁶ = 4030945117 is a prime.

It is a super-2 number, since 2×4030945181² = 32497038104454245522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 4030945183, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4030945183) 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, 2015472590 + 2015472591.

It is an arithmetic number, because the mean of its divisors is an integer number (2015472591).

Almost surely, 2^4030945181 is an apocalyptic number.

It is an amenable number.

4030945181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4030945181 is an equidigital number, since it uses as much as digits as its factorization.

4030945181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 4030945181 is about 63489.7250033421. The cubic root of 4030945181 is about 1591.4840752482.

The spelling of 4030945181 in words is "four billion, thirty million, nine hundred forty-five thousand, one hundred eighty-one".