4729643549 has 2 divisors, whose sum is σ = 4729643550. Its totient is φ = 4729643548.

The previous prime is 4729643543. The next prime is 4729643551. The reversal of 4729643549 is 9453469274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4530636100 + 199007449 = 67310^2 + 14107^2 .

It is a cyclic number.

It is not a de Polignac number, because 4729643549 - 2⁸ = 4729643293 is a prime.

It is a Sophie Germain prime.

Together with 4729643551, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4729643549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4729643543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2364821774 + 2364821775.

It is an arithmetic number, because the mean of its divisors is an integer number (2364821775).

Almost surely, 2^4729643549 is an apocalyptic number.

It is an amenable number.

4729643549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4729643549 is an equidigital number, since it uses as much as digits as its factorization.

4729643549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 53.

The square root of 4729643549 is about 68772.4039786308. The cubic root of 4729643549 is about 1678.5829354643.

The spelling of 4729643549 in words is "four billion, seven hundred twenty-nine million, six hundred forty-three thousand, five hundred forty-nine".