4194747647 has 2 divisors, whose sum is σ = 4194747648. Its totient is φ = 4194747646.

The previous prime is 4194747631. The next prime is 4194747649. The reversal of 4194747647 is 7467474914.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4194747647 - 2⁴ = 4194747631 is a prime.

Together with 4194747649, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4194747649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2097373823 + 2097373824.

It is an arithmetic number, because the mean of its divisors is an integer number (2097373824).

Almost surely, 2^4194747647 is an apocalyptic number.

4194747647 is a deficient number, since it is larger than the sum of its proper divisors (1).

4194747647 is an equidigital number, since it uses as much as digits as its factorization.

4194747647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4741632, while the sum is 53.

The square root of 4194747647 is about 64766.8715239512. The cubic root of 4194747647 is about 1612.7558022321.

The spelling of 4194747647 in words is "four billion, one hundred ninety-four million, seven hundred forty-seven thousand, six hundred forty-seven".