4978709173 has 2 divisors, whose sum is σ = 4978709174. Its totient is φ = 4978709172.

The previous prime is 4978709123. The next prime is 4978709189. The reversal of 4978709173 is 3719078794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4058072209 + 920636964 = 63703^2 + 30342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4978709173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4978709123) 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, 2489354586 + 2489354587.

It is an arithmetic number, because the mean of its divisors is an integer number (2489354587).

Almost surely, 2^4978709173 is an apocalyptic number.

It is an amenable number.

4978709173 is a deficient number, since it is larger than the sum of its proper divisors (1).

4978709173 is an equidigital number, since it uses as much as digits as its factorization.

4978709173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2667168, while the sum is 55.

The square root of 4978709173 is about 70559.9686295282. The cubic root of 4978709173 is about 1707.5453733405.

The spelling of 4978709173 in words is "four billion, nine hundred seventy-eight million, seven hundred nine thousand, one hundred seventy-three".