744530872433 has 2 divisors, whose sum is σ = 744530872434. Its totient is φ = 744530872432.

The previous prime is 744530872403. The next prime is 744530872439. The reversal of 744530872433 is 334278035447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 623171305744 + 121359566689 = 789412^2 + 348367^2 .

It is a cyclic number.

It is not a de Polignac number, because 744530872433 - 2²⁴ = 744514095217 is a prime.

It is not a weakly prime, because it can be changed into another prime (744530872439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372265436216 + 372265436217.

It is an arithmetic number, because the mean of its divisors is an integer number (372265436217).

Almost surely, 2^744530872433 is an apocalyptic number.

It is an amenable number.

744530872433 is a deficient number, since it is larger than the sum of its proper divisors (1).

744530872433 is an equidigital number, since it uses as much as digits as its factorization.

744530872433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6773760, while the sum is 50.

The spelling of 744530872433 in words is "seven hundred forty-four billion, five hundred thirty million, eight hundred seventy-two thousand, four hundred thirty-three".