4725568391 has 2 divisors, whose sum is σ = 4725568392. Its totient is φ = 4725568390.

The previous prime is 4725568381. The next prime is 4725568409. The reversal of 4725568391 is 1938655274.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4725568391 - 2⁶ = 4725568327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4725568381) 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, 2362784195 + 2362784196.

It is an arithmetic number, because the mean of its divisors is an integer number (2362784196).

Almost surely, 2^4725568391 is an apocalyptic number.

4725568391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4725568391 is an equidigital number, since it uses as much as digits as its factorization.

4725568391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 50.

The square root of 4725568391 is about 68742.7697361693. The cubic root of 4725568391 is about 1678.1006964270.

The spelling of 4725568391 in words is "four billion, seven hundred twenty-five million, five hundred sixty-eight thousand, three hundred ninety-one".