4260985849 has 2 divisors, whose sum is σ = 4260985850. Its totient is φ = 4260985848.

The previous prime is 4260985843. The next prime is 4260985891. The reversal of 4260985849 is 9485890624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2672166249 + 1588819600 = 51693^2 + 39860^2 .

It is a cyclic number.

It is not a de Polignac number, because 4260985849 - 2¹⁷ = 4260854777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4260985849.

It is not a weakly prime, because it can be changed into another prime (4260985843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2130492924 + 2130492925.

It is an arithmetic number, because the mean of its divisors is an integer number (2130492925).

Almost surely, 2^4260985849 is an apocalyptic number.

It is an amenable number.

4260985849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4260985849 is an equidigital number, since it uses as much as digits as its factorization.

4260985849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The square root of 4260985849 is about 65276.2272883475. The cubic root of 4260985849 is about 1621.2003816007.

The spelling of 4260985849 in words is "four billion, two hundred sixty million, nine hundred eighty-five thousand, eight hundred forty-nine".