16935869 has 2 divisors, whose sum is σ = 16935870. Its totient is φ = 16935868.

The previous prime is 16935847. The next prime is 16935871. The reversal of 16935869 is 96853961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15507844 + 1428025 = 3938^2 + 1195^2 .

It is a cyclic number.

It is not a de Polignac number, because 16935869 - 2²⁰ = 15887293 is a prime.

It is a super-2 number, since 2×16935869² = 573647317570322, which contains 22 as substring.

Together with 16935871, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16935169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8467934 + 8467935.

It is an arithmetic number, because the mean of its divisors is an integer number (8467935).

Almost surely, 2^16935869 is an apocalyptic number.

It is an amenable number.

16935869 is a deficient number, since it is larger than the sum of its proper divisors (1).

16935869 is an equidigital number, since it uses as much as digits as its factorization.

16935869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 47.

The square root of 16935869 is about 4115.3212511297. The cubic root of 16935869 is about 256.8044205348.

The spelling of 16935869 in words is "sixteen million, nine hundred thirty-five thousand, eight hundred sixty-nine".