1200043434449 has 2 divisors, whose sum is σ = 1200043434450. Its totient is φ = 1200043434448.

The previous prime is 1200043434371. The next prime is 1200043434481. The reversal of 1200043434449 is 9444343400021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1067361729424 + 132681705025 = 1033132^2 + 364255^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200043434449 - 2¹² = 1200043430353 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200043430449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600021717224 + 600021717225.

It is an arithmetic number, because the mean of its divisors is an integer number (600021717225).

Almost surely, 2^{1200043434449} is an apocalyptic number.

It is an amenable number.

1200043434449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200043434449 is an equidigital number, since it uses as much as digits as its factorization.

1200043434449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 1200043434449 in words is "one trillion, two hundred billion, forty-three million, four hundred thirty-four thousand, four hundred forty-nine".