4178228849 has 2 divisors, whose sum is σ = 4178228850. Its totient is φ = 4178228848.

The previous prime is 4178228827. The next prime is 4178228851. The reversal of 4178228849 is 9488228714.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3318566449 + 859662400 = 57607^2 + 29320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4178228849 is a prime.

Together with 4178228851, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4178228849.

It is not a weakly prime, because it can be changed into another prime (4178228869) 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, 2089114424 + 2089114425.

It is an arithmetic number, because the mean of its divisors is an integer number (2089114425).

Almost surely, 2^4178228849 is an apocalyptic number.

It is an amenable number.

4178228849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4178228849 is an equidigital number, since it uses as much as digits as its factorization.

4178228849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2064384, while the sum is 53.

The square root of 4178228849 is about 64639.2206713540. The cubic root of 4178228849 is about 1610.6360216162.

The spelling of 4178228849 in words is "four billion, one hundred seventy-eight million, two hundred twenty-eight thousand, eight hundred forty-nine".