196272149 has 2 divisors, whose sum is σ = 196272150. Its totient is φ = 196272148.

The previous prime is 196272113. The next prime is 196272151. The reversal of 196272149 is 941272691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195720100 + 552049 = 13990^2 + 743^2 .

It is a cyclic number.

It is not a de Polignac number, because 196272149 - 2²⁰ = 195223573 is a prime.

Together with 196272151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196272449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98136074 + 98136075.

It is an arithmetic number, because the mean of its divisors is an integer number (98136075).

Almost surely, 2^196272149 is an apocalyptic number.

It is an amenable number.

196272149 is a deficient number, since it is larger than the sum of its proper divisors (1).

196272149 is an equidigital number, since it uses as much as digits as its factorization.

196272149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The square root of 196272149 is about 14009.7162355274. The cubic root of 196272149 is about 581.1473019468.

The spelling of 196272149 in words is "one hundred ninety-six million, two hundred seventy-two thousand, one hundred forty-nine".