7444849393 has 2 divisors, whose sum is σ = 7444849394. Its totient is φ = 7444849392.

The previous prime is 7444849339. The next prime is 7444849417. The reversal of 7444849393 is 3939484447.

Together with previous prime (7444849339) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6903449569 + 541399824 = 83087^2 + 23268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7444849393 is a prime.

It is not a weakly prime, because it can be changed into another prime (7444849793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3722424696 + 3722424697.

It is an arithmetic number, because the mean of its divisors is an integer number (3722424697).

Almost surely, 2^7444849393 is an apocalyptic number.

It is an amenable number.

7444849393 is a deficient number, since it is larger than the sum of its proper divisors (1).

7444849393 is an equidigital number, since it uses as much as digits as its factorization.

7444849393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 55.

The square root of 7444849393 is about 86283.5406841884. The cubic root of 7444849393 is about 1952.6240712946.

The spelling of 7444849393 in words is "seven billion, four hundred forty-four million, eight hundred forty-nine thousand, three hundred ninety-three".