43448476361 has 2 divisors, whose sum is σ = 43448476362. Its totient is φ = 43448476360.

The previous prime is 43448476333. The next prime is 43448476363. The reversal of 43448476361 is 16367484434.

43448476361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37696164025 + 5752312336 = 194155^2 + 75844^2 .

It is a cyclic number.

It is not a de Polignac number, because 43448476361 - 2³⁴ = 26268607177 is a prime.

Together with 43448476363, 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 (43448476363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21724238180 + 21724238181.

It is an arithmetic number, because the mean of its divisors is an integer number (21724238181).

Almost surely, 2^43448476361 is an apocalyptic number.

It is an amenable number.

43448476361 is a deficient number, since it is larger than the sum of its proper divisors (1).

43448476361 is an equidigital number, since it uses as much as digits as its factorization.

43448476361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4644864, while the sum is 50.

The spelling of 43448476361 in words is "forty-three billion, four hundred forty-eight million, four hundred seventy-six thousand, three hundred sixty-one".