4927985849 has 2 divisors, whose sum is σ = 4927985850. Its totient is φ = 4927985848.

The previous prime is 4927985831. The next prime is 4927985873. The reversal of 4927985849 is 9485897294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4626720400 + 301265449 = 68020^2 + 17357^2 .

It is a cyclic number.

It is not a de Polignac number, because 4927985849 - 2¹² = 4927981753 is a prime.

It is not a weakly prime, because it can be changed into another prime (4927985899) 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, 2463992924 + 2463992925.

It is an arithmetic number, because the mean of its divisors is an integer number (2463992925).

Almost surely, 2^4927985849 is an apocalyptic number.

It is an amenable number.

4927985849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4927985849 is an equidigital number, since it uses as much as digits as its factorization.

4927985849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52254720, while the sum is 65.

The square root of 4927985849 is about 70199.6143080573. The cubic root of 4927985849 is about 1701.7267171782.

The spelling of 4927985849 in words is "four billion, nine hundred twenty-seven million, nine hundred eighty-five thousand, eight hundred forty-nine".