10403242393 has 2 divisors, whose sum is σ = 10403242394. Its totient is φ = 10403242392.

The previous prime is 10403242391. The next prime is 10403242417. The reversal of 10403242393 is 39324230401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8737949529 + 1665292864 = 93477^2 + 40808^2 .

It is an emirp because it is prime and its reverse (39324230401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10403242393 - 2¹ = 10403242391 is a prime.

Together with 10403242391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10403242391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5201621196 + 5201621197.

It is an arithmetic number, because the mean of its divisors is an integer number (5201621197).

Almost surely, 2^10403242393 is an apocalyptic number.

It is an amenable number.

10403242393 is a deficient number, since it is larger than the sum of its proper divisors (1).

10403242393 is an equidigital number, since it uses as much as digits as its factorization.

10403242393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 10403242393 its reverse (39324230401), we get a palindrome (49727472794).

The spelling of 10403242393 in words is "ten billion, four hundred three million, two hundred forty-two thousand, three hundred ninety-three".