10319909 has 2 divisors, whose sum is σ = 10319910. Its totient is φ = 10319908.

The previous prime is 10319891. The next prime is 10319917. The reversal of 10319909 is 90991301.

10319909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7963684 + 2356225 = 2822^2 + 1535^2 .

It is a cyclic number.

It is not a de Polignac number, because 10319909 - 2⁸ = 10319653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10319989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5159954 + 5159955.

It is an arithmetic number, because the mean of its divisors is an integer number (5159955).

Almost surely, 2^10319909 is an apocalyptic number.

It is an amenable number.

10319909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10319909 is an equidigital number, since it uses as much as digits as its factorization.

10319909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187, while the sum is 32.

The square root of 10319909 is about 3212.4615172792. The cubic root of 10319909 is about 217.7168067569.

The spelling of 10319909 in words is "ten million, three hundred nineteen thousand, nine hundred nine".