196272449 has 2 divisors, whose sum is σ = 196272450. Its totient is φ = 196272448.

The previous prime is 196272437. The next prime is 196272467. The reversal of 196272449 is 944272691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195580225 + 692224 = 13985^2 + 832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196272449 is a prime.

It is not a weakly prime, because it can be changed into another prime (196272499) 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, 98136224 + 98136225.

It is an arithmetic number, because the mean of its divisors is an integer number (98136225).

Almost surely, 2^196272449 is an apocalyptic number.

It is an amenable number.

196272449 is a deficient number, since it is larger than the sum of its proper divisors (1).

196272449 is an equidigital number, since it uses as much as digits as its factorization.

196272449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 196272449 is about 14009.7269423783. The cubic root of 196272449 is about 581.1475980393.

The spelling of 196272449 in words is "one hundred ninety-six million, two hundred seventy-two thousand, four hundred forty-nine".