3384444781 has 2 divisors, whose sum is σ = 3384444782. Its totient is φ = 3384444780.

The previous prime is 3384444757. The next prime is 3384444839. The reversal of 3384444781 is 1874444833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2439866025 + 944578756 = 49395^2 + 30734^2 .

It is a cyclic number.

It is not a de Polignac number, because 3384444781 - 2¹⁹ = 3383920493 is a prime.

It is a super-2 number, since 2×3384444781² = 22908932951276275922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3384474781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1692222390 + 1692222391.

It is an arithmetic number, because the mean of its divisors is an integer number (1692222391).

Almost surely, 2^3384444781 is an apocalyptic number.

It is an amenable number.

3384444781 is a deficient number, since it is larger than the sum of its proper divisors (1).

3384444781 is an equidigital number, since it uses as much as digits as its factorization.

3384444781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1032192, while the sum is 46.

The square root of 3384444781 is about 58175.9811348292. The cubic root of 3384444781 is about 1501.3979236165.

The spelling of 3384444781 in words is "three billion, three hundred eighty-four million, four hundred forty-four thousand, seven hundred eighty-one".