4728644633 has 2 divisors, whose sum is σ = 4728644634. Its totient is φ = 4728644632.

The previous prime is 4728644617. The next prime is 4728644647. The reversal of 4728644633 is 3364468274.

4728644633 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3008303104 + 1720341529 = 54848^2 + 41477^2 .

It is a cyclic number.

It is not a de Polignac number, because 4728644633 - 2⁴ = 4728644617 is a prime.

It is not a weakly prime, because it can be changed into another prime (4728644663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2364322316 + 2364322317.

It is an arithmetic number, because the mean of its divisors is an integer number (2364322317).

Almost surely, 2^4728644633 is an apocalyptic number.

It is an amenable number.

4728644633 is a deficient number, since it is larger than the sum of its proper divisors (1).

4728644633 is an equidigital number, since it uses as much as digits as its factorization.

4728644633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 47.

The square root of 4728644633 is about 68765.1411181567. The cubic root of 4728644633 is about 1678.4647530971.

It can be divided in two parts, 47286 and 44633, that added together give a palindrome (91919).

The spelling of 4728644633 in words is "four billion, seven hundred twenty-eight million, six hundred forty-four thousand, six hundred thirty-three".