4889755447 has 2 divisors, whose sum is σ = 4889755448. Its totient is φ = 4889755446.

The previous prime is 4889755439. The next prime is 4889755459. The reversal of 4889755447 is 7445579884.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4889755447 - 2³ = 4889755439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4889755417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2444877723 + 2444877724.

It is an arithmetic number, because the mean of its divisors is an integer number (2444877724).

Almost surely, 2^4889755447 is an apocalyptic number.

4889755447 is a deficient number, since it is larger than the sum of its proper divisors (1).

4889755447 is an equidigital number, since it uses as much as digits as its factorization.

4889755447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45158400, while the sum is 61.

The square root of 4889755447 is about 69926.7863339936. The cubic root of 4889755447 is about 1697.3147280122.

The spelling of 4889755447 in words is "four billion, eight hundred eighty-nine million, seven hundred fifty-five thousand, four hundred forty-seven".