16193830309 has 2 divisors, whose sum is σ = 16193830310. Its totient is φ = 16193830308.

The previous prime is 16193830297. The next prime is 16193830319. The reversal of 16193830309 is 90303839161.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8432748900 + 7761081409 = 91830^2 + 88097^2 .

It is a cyclic number.

It is not a de Polignac number, because 16193830309 - 2²¹ = 16191733157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16193830319) 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, 8096915154 + 8096915155.

It is an arithmetic number, because the mean of its divisors is an integer number (8096915155).

Almost surely, 2^16193830309 is an apocalyptic number.

It is an amenable number.

16193830309 is a deficient number, since it is larger than the sum of its proper divisors (1).

16193830309 is an equidigital number, since it uses as much as digits as its factorization.

16193830309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 43.

The spelling of 16193830309 in words is "sixteen billion, one hundred ninety-three million, eight hundred thirty thousand, three hundred nine".