5198842489 has 2 divisors, whose sum is σ = 5198842490. Its totient is φ = 5198842488.

The previous prime is 5198842427. The next prime is 5198842541. The reversal of 5198842489 is 9842488915.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5102959225 + 95883264 = 71435^2 + 9792^2 .

It is a cyclic number.

It is not a de Polignac number, because 5198842489 - 2¹⁷ = 5198711417 is a prime.

It is not a weakly prime, because it can be changed into another prime (5198845489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2599421244 + 2599421245.

It is an arithmetic number, because the mean of its divisors is an integer number (2599421245).

Almost surely, 2^5198842489 is an apocalyptic number.

It is an amenable number.

5198842489 is a deficient number, since it is larger than the sum of its proper divisors (1).

5198842489 is an equidigital number, since it uses as much as digits as its factorization.

5198842489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6635520, while the sum is 58.

The square root of 5198842489 is about 72102.9991678571. Note that the first 3 decimals coincide. The cubic root of 5198842489 is about 1732.3496522586.

The spelling of 5198842489 in words is "five billion, one hundred ninety-eight million, eight hundred forty-two thousand, four hundred eighty-nine".