16941709 has 2 divisors, whose sum is σ = 16941710. Its totient is φ = 16941708.

The previous prime is 16941703. The next prime is 16941739. The reversal of 16941709 is 90714961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12981609 + 3960100 = 3603^2 + 1990^2 .

It is a cyclic number.

It is not a de Polignac number, because 16941709 - 2¹³ = 16933517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16941703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8470854 + 8470855.

It is an arithmetic number, because the mean of its divisors is an integer number (8470855).

Almost surely, 2^16941709 is an apocalyptic number.

It is an amenable number.

16941709 is a deficient number, since it is larger than the sum of its proper divisors (1).

16941709 is an equidigital number, since it uses as much as digits as its factorization.

16941709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 16941709 is about 4116.0307336073. The cubic root of 16941709 is about 256.8339351204.

It can be divided in two parts, 1694 and 1709, that added together give a triangular number (3403 = T₈₂).

The spelling of 16941709 in words is "sixteen million, nine hundred forty-one thousand, seven hundred nine".