4985840561 has 16 divisors (see below), whose sum is σ = 5396899200. Its totient is φ = 4578778368.

The previous prime is 4985840537. The next prime is 4985840569. The reversal of 4985840561 is 1650485894.

It is a cyclic number.

It is not a de Polignac number, because 4985840561 - 2¹⁴ = 4985824177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4985840569) 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 in 15 ways as a sum of consecutive naturals, for example, 3347705 + ... + 3349193.

It is an arithmetic number, because the mean of its divisors is an integer number (337306200).

Almost surely, 2^4985840561 is an apocalyptic number.

It is an amenable number.

4985840561 is a deficient number, since it is larger than the sum of its proper divisors (411058639).

4985840561 is a wasteful number, since it uses less digits than its factorization.

4985840561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648.

The product of its (nonzero) digits is 1382400, while the sum is 50.

The square root of 4985840561 is about 70610.4847809445. The cubic root of 4985840561 is about 1708.3602672340.

The spelling of 4985840561 in words is "four billion, nine hundred eighty-five million, eight hundred forty thousand, five hundred sixty-one".