16930469 has 2 divisors, whose sum is σ = 16930470. Its totient is φ = 16930468.

The previous prime is 16930457. The next prime is 16930471. The reversal of 16930469 is 96403961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16507969 + 422500 = 4063^2 + 650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16930469 is a prime.

It is a super-2 number, since 2×16930469² = 573281561119922, which contains 22 as substring.

Together with 16930471, 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 (16930439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8465234 + 8465235.

It is an arithmetic number, because the mean of its divisors is an integer number (8465235).

Almost surely, 2^16930469 is an apocalyptic number.

It is an amenable number.

16930469 is a deficient number, since it is larger than the sum of its proper divisors (1).

16930469 is an equidigital number, since it uses as much as digits as its factorization.

16930469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 16930469 is about 4114.6651139552. The cubic root of 16930469 is about 256.7771236128. Note that the first 3 decimals are identical.

The spelling of 16930469 in words is "sixteen million, nine hundred thirty thousand, four hundred sixty-nine".