4593985489 has 2 divisors, whose sum is σ = 4593985490. Its totient is φ = 4593985488.

The previous prime is 4593985441. The next prime is 4593985493. The reversal of 4593985489 is 9845893954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3165750225 + 1428235264 = 56265^2 + 37792^2 .

It is a cyclic number.

It is not a de Polignac number, because 4593985489 - 2¹¹ = 4593983441 is a prime.

It is a super-2 number, since 2×4593985489² = 42209405346285138242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4593985489.

It is not a weakly prime, because it can be changed into another prime (4593985789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2296992744 + 2296992745.

It is an arithmetic number, because the mean of its divisors is an integer number (2296992745).

Almost surely, 2^4593985489 is an apocalyptic number.

It is an amenable number.

4593985489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4593985489 is an equidigital number, since it uses as much as digits as its factorization.

4593985489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55987200, while the sum is 64.

The square root of 4593985489 is about 67778.9457648907. The cubic root of 4593985489 is about 1662.3783454350.

The spelling of 4593985489 in words is "four billion, five hundred ninety-three million, nine hundred eighty-five thousand, four hundred eighty-nine".