16434959 has 2 divisors, whose sum is σ = 16434960. Its totient is φ = 16434958.

The previous prime is 16434889. The next prime is 16434983. The reversal of 16434959 is 95943461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16434959 - 2⁸ = 16434703 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16434059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8217479 + 8217480.

It is an arithmetic number, because the mean of its divisors is an integer number (8217480).

Almost surely, 2^16434959 is an apocalyptic number.

16434959 is a deficient number, since it is larger than the sum of its proper divisors (1).

16434959 is an equidigital number, since it uses as much as digits as its factorization.

16434959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 16434959 is about 4054.0053034006. The cubic root of 16434959 is about 254.2472173011.

The spelling of 16434959 in words is "sixteen million, four hundred thirty-four thousand, nine hundred fifty-nine".