10303399709 has 2 divisors, whose sum is σ = 10303399710. Its totient is φ = 10303399708.

The previous prime is 10303399697. The next prime is 10303399739. The reversal of 10303399709 is 90799330301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5906383609 + 4397016100 = 76853^2 + 66310^2 .

It is a cyclic number.

It is not a de Polignac number, because 10303399709 - 2⁴ = 10303399693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10303399709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10303399739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151699854 + 5151699855.

It is an arithmetic number, because the mean of its divisors is an integer number (5151699855).

Almost surely, 2^10303399709 is an apocalyptic number.

It is an amenable number.

10303399709 is a deficient number, since it is larger than the sum of its proper divisors (1).

10303399709 is an equidigital number, since it uses as much as digits as its factorization.

10303399709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 137781, while the sum is 44.

The spelling of 10303399709 in words is "ten billion, three hundred three million, three hundred ninety-nine thousand, seven hundred nine".