4771943647 has 2 divisors, whose sum is σ = 4771943648. Its totient is φ = 4771943646.

The previous prime is 4771943641. The next prime is 4771943663. The reversal of 4771943647 is 7463491774.

4771943647 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4771943647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4771943594 and 4771943603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4771943641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2385971823 + 2385971824.

It is an arithmetic number, because the mean of its divisors is an integer number (2385971824).

Almost surely, 2^4771943647 is an apocalyptic number.

4771943647 is a deficient number, since it is larger than the sum of its proper divisors (1).

4771943647 is an equidigital number, since it uses as much as digits as its factorization.

4771943647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3556224, while the sum is 52.

The square root of 4771943647 is about 69079.2562713294. The cubic root of 4771943647 is about 1683.5722889175.

The spelling of 4771943647 in words is "four billion, seven hundred seventy-one million, nine hundred forty-three thousand, six hundred forty-seven".