10403309993 has 2 divisors, whose sum is σ = 10403309994. Its totient is φ = 10403309992.

The previous prime is 10403309981. The next prime is 10403310011. The reversal of 10403309993 is 39990330401.

10403309993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10341262864 + 62047129 = 101692^2 + 7877^2 .

It is a cyclic number.

It is not a de Polignac number, because 10403309993 - 2⁴ = 10403309977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10403309993.

It is not a weakly prime, because it can be changed into another prime (10403309093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5201654996 + 5201654997.

It is an arithmetic number, because the mean of its divisors is an integer number (5201654997).

Almost surely, 2^10403309993 is an apocalyptic number.

It is an amenable number.

10403309993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10403309993 is an equidigital number, since it uses as much as digits as its factorization.

10403309993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78732, while the sum is 41.

The spelling of 10403309993 in words is "ten billion, four hundred three million, three hundred nine thousand, nine hundred ninety-three".