443422999969 has 2 divisors, whose sum is σ = 443422999970. Its totient is φ = 443422999968.

The previous prime is 443422999967. The next prime is 443422999991. The reversal of 443422999969 is 969999224344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 421545040225 + 21877959744 = 649265^2 + 147912^2 .

It is a cyclic number.

It is not a de Polignac number, because 443422999969 - 2¹ = 443422999967 is a prime.

It is a super-2 number, since 2×443422999969² (a number of 24 digits) contains 22 as substring.

Together with 443422999967, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 443422999898 and 443422999907.

It is not a weakly prime, because it can be changed into another prime (443422999967) 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, 221711499984 + 221711499985.

It is an arithmetic number, because the mean of its divisors is an integer number (221711499985).

Almost surely, 2^443422999969 is an apocalyptic number.

It is an amenable number.

443422999969 is a deficient number, since it is larger than the sum of its proper divisors (1).

443422999969 is an equidigital number, since it uses as much as digits as its factorization.

443422999969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272097792, while the sum is 70.

The spelling of 443422999969 in words is "four hundred forty-three billion, four hundred twenty-two million, nine hundred ninety-nine thousand, nine hundred sixty-nine".