4978894171 has 2 divisors, whose sum is σ = 4978894172. Its totient is φ = 4978894170.

The previous prime is 4978894093. The next prime is 4978894177. The reversal of 4978894171 is 1714988794.

4978894171 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4978894171 - 2¹³ = 4978885979 is a prime.

It is not a weakly prime, because it can be changed into another prime (4978894177) 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, 2489447085 + 2489447086.

It is an arithmetic number, because the mean of its divisors is an integer number (2489447086).

Almost surely, 2^4978894171 is an apocalyptic number.

4978894171 is a deficient number, since it is larger than the sum of its proper divisors (1).

4978894171 is an equidigital number, since it uses as much as digits as its factorization.

4978894171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 58.

The square root of 4978894171 is about 70561.2795448042. The cubic root of 4978894171 is about 1707.5665226354.

The spelling of 4978894171 in words is "four billion, nine hundred seventy-eight million, eight hundred ninety-four thousand, one hundred seventy-one".