16946459 has 2 divisors, whose sum is σ = 16946460. Its totient is φ = 16946458.

The previous prime is 16946441. The next prime is 16946473. The reversal of 16946459 is 95464961.

It is a strong prime.

It is an emirp because it is prime and its reverse (95464961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16946459 - 2⁸ = 16946203 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (16946159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8473229 + 8473230.

It is an arithmetic number, because the mean of its divisors is an integer number (8473230).

Almost surely, 2^16946459 is an apocalyptic number.

16946459 is a deficient number, since it is larger than the sum of its proper divisors (1).

16946459 is an equidigital number, since it uses as much as digits as its factorization.

16946459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 44.

The square root of 16946459 is about 4116.6077053807. The cubic root of 16946459 is about 256.8579359890.

The spelling of 16946459 in words is "sixteen million, nine hundred forty-six thousand, four hundred fifty-nine".