443137470021349 has 2 divisors, whose sum is σ = 443137470021350. Its totient is φ = 443137470021348.

The previous prime is 443137470021343. The next prime is 443137470021361. The reversal of 443137470021349 is 943120074731344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326034230990724 + 117103239030625 = 18056418^2 + 10821425^2 .

It is a cyclic number.

It is not a de Polignac number, because 443137470021349 - 2⁹ = 443137470020837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 443137470021296 and 443137470021305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (443137470021343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221568735010674 + 221568735010675.

It is an arithmetic number, because the mean of its divisors is an integer number (221568735010675).

Almost surely, 2^{443137470021349} is an apocalyptic number.

It is an amenable number.

443137470021349 is a deficient number, since it is larger than the sum of its proper divisors (1).

443137470021349 is an equidigital number, since it uses as much as digits as its factorization.

443137470021349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 52.

The spelling of 443137470021349 in words is "four hundred forty-three trillion, one hundred thirty-seven billion, four hundred seventy million, twenty-one thousand, three hundred forty-nine".