16814459 has 2 divisors, whose sum is σ = 16814460. Its totient is φ = 16814458.

The previous prime is 16814453. The next prime is 16814477. The reversal of 16814459 is 95441861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16814459 - 2⁴ = 16814443 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16814453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8407229 + 8407230.

It is an arithmetic number, because the mean of its divisors is an integer number (8407230).

Almost surely, 2^16814459 is an apocalyptic number.

16814459 is a deficient number, since it is larger than the sum of its proper divisors (1).

16814459 is an equidigital number, since it uses as much as digits as its factorization.

16814459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 38.

The square root of 16814459 is about 4100.5437444320. The cubic root of 16814459 is about 256.1892876989.

The spelling of 16814459 in words is "sixteen million, eight hundred fourteen thousand, four hundred fifty-nine".