5198268989 has 2 divisors, whose sum is σ = 5198268990. Its totient is φ = 5198268988.

The previous prime is 5198268973. The next prime is 5198268997. The reversal of 5198268989 is 9898628915.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2817804889 + 2380464100 = 53083^2 + 48790^2 .

It is a cyclic number.

It is not a de Polignac number, because 5198268989 - 2⁴ = 5198268973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5198262989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2599134494 + 2599134495.

It is an arithmetic number, because the mean of its divisors is an integer number (2599134495).

Almost surely, 2^5198268989 is an apocalyptic number.

It is an amenable number.

5198268989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5198268989 is an equidigital number, since it uses as much as digits as its factorization.

5198268989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22394880, while the sum is 65.

The square root of 5198268989 is about 72099.0221084863. The cubic root of 5198268989 is about 1732.2859496773.

The spelling of 5198268989 in words is "five billion, one hundred ninety-eight million, two hundred sixty-eight thousand, nine hundred eighty-nine".