10403240191 has 2 divisors, whose sum is σ = 10403240192. Its totient is φ = 10403240190.

The previous prime is 10403240173. The next prime is 10403240227. The reversal of 10403240191 is 19104230401.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (19104230401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10403240191 - 2¹¹ = 10403238143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10403240291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5201620095 + 5201620096.

It is an arithmetic number, because the mean of its divisors is an integer number (5201620096).

Almost surely, 2^10403240191 is an apocalyptic number.

10403240191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10403240191 is an equidigital number, since it uses as much as digits as its factorization.

10403240191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 10403240191 its reverse (19104230401), we get a palindrome (29507470592).

The spelling of 10403240191 in words is "ten billion, four hundred three million, two hundred forty thousand, one hundred ninety-one".