197444119 has 2 divisors, whose sum is σ = 197444120. Its totient is φ = 197444118.

The previous prime is 197444101. The next prime is 197444131. The reversal of 197444119 is 911444791.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197444119 is a prime.

It is a super-2 number, since 2×197444119² = 77968360255372322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197444189) 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, 98722059 + 98722060.

It is an arithmetic number, because the mean of its divisors is an integer number (98722060).

Almost surely, 2^197444119 is an apocalyptic number.

197444119 is a deficient number, since it is larger than the sum of its proper divisors (1).

197444119 is an equidigital number, since it uses as much as digits as its factorization.

197444119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 40.

The square root of 197444119 is about 14051.4810251446. The cubic root of 197444119 is about 582.3017127348.

The spelling of 197444119 in words is "one hundred ninety-seven million, four hundred forty-four thousand, one hundred nineteen".