5198197189 has 2 divisors, whose sum is σ = 5198197190. Its totient is φ = 5198197188.

The previous prime is 5198197171. The next prime is 5198197223. The reversal of 5198197189 is 9817918915.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5010233089 + 187964100 = 70783^2 + 13710^2 .

It is a cyclic number.

It is not a de Polignac number, because 5198197189 - 2¹⁷ = 5198066117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5198197489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2599098594 + 2599098595.

It is an arithmetic number, because the mean of its divisors is an integer number (2599098595).

Almost surely, 2^5198197189 is an apocalyptic number.

It is an amenable number.

5198197189 is a deficient number, since it is larger than the sum of its proper divisors (1).

5198197189 is an equidigital number, since it uses as much as digits as its factorization.

5198197189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 58.

The square root of 5198197189 is about 72098.5241804574. The cubic root of 5198197189 is about 1732.2779740285.

The spelling of 5198197189 in words is "five billion, one hundred ninety-eight million, one hundred ninety-seven thousand, one hundred eighty-nine".