4978613173 has 4 divisors (see below), whose sum is σ = 5029939180. Its totient is φ = 4927287168.

The previous prime is 4978613161. The next prime is 4978613177. The reversal of 4978613173 is 3713168794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3713168794 = 2 ⋅1856584397.

It can be written as a sum of positive squares in 2 ways, for example, as 2301792529 + 2676820644 = 47977^2 + 51738^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4978613173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978613177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25662858 + ... + 25663051.

It is an arithmetic number, because the mean of its divisors is an integer number (1257484795).

Almost surely, 2^4978613173 is an apocalyptic number.

It is an amenable number.

4978613173 is a deficient number, since it is larger than the sum of its proper divisors (51326007).

4978613173 is an equidigital number, since it uses as much as digits as its factorization.

4978613173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51326006.

The product of its digits is 762048, while the sum is 49.

The square root of 4978613173 is about 70559.2883538376. The cubic root of 4978613173 is about 1707.5343982461.

The spelling of 4978613173 in words is "four billion, nine hundred seventy-eight million, six hundred thirteen thousand, one hundred seventy-three".