443424131197 has 2 divisors, whose sum is σ = 443424131198. Its totient is φ = 443424131196.

The previous prime is 443424131177. The next prime is 443424131239. The reversal of 443424131197 is 791131424344.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441348964281 + 2075166916 = 664341^2 + 45554^2 .

It is a cyclic number.

It is not a de Polignac number, because 443424131197 - 2¹⁹ = 443423606909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (443424131167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221712065598 + 221712065599.

It is an arithmetic number, because the mean of its divisors is an integer number (221712065599).

Almost surely, 2^443424131197 is an apocalyptic number.

It is an amenable number.

443424131197 is a deficient number, since it is larger than the sum of its proper divisors (1).

443424131197 is an equidigital number, since it uses as much as digits as its factorization.

443424131197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The spelling of 443424131197 in words is "four hundred forty-three billion, four hundred twenty-four million, one hundred thirty-one thousand, one hundred ninety-seven".