10103440393 has 2 divisors, whose sum is σ = 10103440394. Its totient is φ = 10103440392.

The previous prime is 10103440337. The next prime is 10103440447. The reversal of 10103440393 is 39304430101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9198152649 + 905287744 = 95907^2 + 30088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10103440393 is a prime.

It is not a weakly prime, because it can be changed into another prime (10103441393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051720196 + 5051720197.

It is an arithmetic number, because the mean of its divisors is an integer number (5051720197).

Almost surely, 2^10103440393 is an apocalyptic number.

It is an amenable number.

10103440393 is a deficient number, since it is larger than the sum of its proper divisors (1).

10103440393 is an equidigital number, since it uses as much as digits as its factorization.

10103440393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 10103440393 its reverse (39304430101), we get a palindrome (49407870494).

The spelling of 10103440393 in words is "ten billion, one hundred three million, four hundred forty thousand, three hundred ninety-three".