3198437197 has 2 divisors, whose sum is σ = 3198437198. Its totient is φ = 3198437196.

The previous prime is 3198437191. The next prime is 3198437237. The reversal of 3198437197 is 7917348913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3196884681 + 1552516 = 56541^2 + 1246^2 .

It is an emirp because it is prime and its reverse (7917348913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3198437197 - 2²⁷ = 3064219469 is a prime.

It is a super-3 number, since 3×3198437197³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3198437191) 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, 1599218598 + 1599218599.

It is an arithmetic number, because the mean of its divisors is an integer number (1599218599).

Almost surely, 2^3198437197 is an apocalyptic number.

It is an amenable number.

3198437197 is a deficient number, since it is larger than the sum of its proper divisors (1).

3198437197 is an equidigital number, since it uses as much as digits as its factorization.

3198437197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 52.

The square root of 3198437197 is about 56554.7274504970. The cubic root of 3198437197 is about 1473.3726680814.

The spelling of 3198437197 in words is "three billion, one hundred ninety-eight million, four hundred thirty-seven thousand, one hundred ninety-seven".