4985939489 has 2 divisors, whose sum is σ = 4985939490. Its totient is φ = 4985939488.

The previous prime is 4985939423. The next prime is 4985939509. The reversal of 4985939489 is 9849395894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4929163264 + 56776225 = 70208^2 + 7535^2 .

It is a cyclic number.

It is not a de Polignac number, because 4985939489 - 2²⁰ = 4984890913 is a prime.

It is a super-2 number, since 2×4985939489² = 49719185175939162242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4985939089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2492969744 + 2492969745.

It is an arithmetic number, because the mean of its divisors is an integer number (2492969745).

Almost surely, 2^4985939489 is an apocalyptic number.

It is an amenable number.

4985939489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4985939489 is an equidigital number, since it uses as much as digits as its factorization.

4985939489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100776960, while the sum is 68.

The square root of 4985939489 is about 70611.1852966653. The cubic root of 4985939489 is about 1708.3715661344.

The spelling of 4985939489 in words is "four billion, nine hundred eighty-five million, nine hundred thirty-nine thousand, four hundred eighty-nine".