443441438147 has 2 divisors, whose sum is σ = 443441438148. Its totient is φ = 443441438146.

The previous prime is 443441438137. The next prime is 443441438149. The reversal of 443441438147 is 741834144344.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 443441438147 - 2²⁰ = 443440389571 is a prime.

Together with 443441438149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (443441438149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221720719073 + 221720719074.

It is an arithmetic number, because the mean of its divisors is an integer number (221720719074).

Almost surely, 2^443441438147 is an apocalyptic number.

443441438147 is a deficient number, since it is larger than the sum of its proper divisors (1).

443441438147 is an equidigital number, since it uses as much as digits as its factorization.

443441438147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2064384, while the sum is 47.

The spelling of 443441438147 in words is "four hundred forty-three billion, four hundred forty-one million, four hundred thirty-eight thousand, one hundred forty-seven".