196443673 has 2 divisors, whose sum is σ = 196443674. Its totient is φ = 196443672.

The previous prime is 196443661. The next prime is 196443677. The reversal of 196443673 is 376344691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195105024 + 1338649 = 13968^2 + 1157^2 .

It is a cyclic number.

It is not a de Polignac number, because 196443673 - 2¹⁷ = 196312601 is a prime.

It is not a weakly prime, because it can be changed into another prime (196443677) 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, 98221836 + 98221837.

It is an arithmetic number, because the mean of its divisors is an integer number (98221837).

Almost surely, 2^196443673 is an apocalyptic number.

It is an amenable number.

196443673 is a deficient number, since it is larger than the sum of its proper divisors (1).

196443673 is an equidigital number, since it uses as much as digits as its factorization.

196443673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 43.

The square root of 196443673 is about 14015.8365073227. The cubic root of 196443673 is about 581.3165426111.

The spelling of 196443673 in words is "one hundred ninety-six million, four hundred forty-three thousand, six hundred seventy-three".