4974779197 has 4 divisors (see below), whose sum is σ = 4984553340. Its totient is φ = 4965005056.

The previous prime is 4974779191. The next prime is 4974779233. The reversal of 4974779197 is 7919774794.

4974779197 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7919774794 = 2 ⋅3959887397.

It can be written as a sum of positive squares in 2 ways, for example, as 1458170596 + 3516608601 = 38186^2 + 59301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4974779197 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 (4974779191) 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, 4886308 + ... + 4887325.

It is an arithmetic number, because the mean of its divisors is an integer number (1246138335).

Almost surely, 2^4974779197 is an apocalyptic number.

It is an amenable number.

4974779197 is a deficient number, since it is larger than the sum of its proper divisors (9774143).

4974779197 is an equidigital number, since it uses as much as digits as its factorization.

4974779197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9774142.

The product of its digits is 28005264, while the sum is 64.

The square root of 4974779197 is about 70532.1146499947. The cubic root of 4974779197 is about 1707.0959677773.

The spelling of 4974779197 in words is "four billion, nine hundred seventy-four million, seven hundred seventy-nine thousand, one hundred ninety-seven".