16930709 has 2 divisors, whose sum is σ = 16930710. Its totient is φ = 16930708.

The previous prime is 16930687. The next prime is 16930747. The reversal of 16930709 is 90703961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16834609 + 96100 = 4103^2 + 310^2 .

It is an emirp because it is prime and its reverse (90703961) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16930709 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16930769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8465354 + 8465355.

It is an arithmetic number, because the mean of its divisors is an integer number (8465355).

Almost surely, 2^16930709 is an apocalyptic number.

It is an amenable number.

16930709 is a deficient number, since it is larger than the sum of its proper divisors (1).

16930709 is an equidigital number, since it uses as much as digits as its factorization.

16930709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 16930709 is about 4114.6942778292. The cubic root of 16930709 is about 256.7783369326.

The spelling of 16930709 in words is "sixteen million, nine hundred thirty thousand, seven hundred nine".