4728640591 has 2 divisors, whose sum is σ = 4728640592. Its totient is φ = 4728640590.

The previous prime is 4728640547. The next prime is 4728640597. The reversal of 4728640591 is 1950468274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4728640591 - 2¹¹ = 4728638543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4728640597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2364320295 + 2364320296.

It is an arithmetic number, because the mean of its divisors is an integer number (2364320296).

Almost surely, 2^4728640591 is an apocalyptic number.

4728640591 is a deficient number, since it is larger than the sum of its proper divisors (1).

4728640591 is an equidigital number, since it uses as much as digits as its factorization.

4728640591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 4728640591 is about 68765.1117282594. Note that the first 3 decimals coincide. The cubic root of 4728640591 is about 1678.4642748518.

The spelling of 4728640591 in words is "four billion, seven hundred twenty-eight million, six hundred forty thousand, five hundred ninety-one".