16434413 has 2 divisors, whose sum is σ = 16434414. Its totient is φ = 16434412.

The previous prime is 16434409. The next prime is 16434463. The reversal of 16434413 is 31443461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15389929 + 1044484 = 3923^2 + 1022^2 .

It is a cyclic number.

It is not a de Polignac number, because 16434413 - 2² = 16434409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16434403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8217206 + 8217207.

It is an arithmetic number, because the mean of its divisors is an integer number (8217207).

Almost surely, 2^16434413 is an apocalyptic number.

It is an amenable number.

16434413 is a deficient number, since it is larger than the sum of its proper divisors (1).

16434413 is an equidigital number, since it uses as much as digits as its factorization.

16434413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

The square root of 16434413 is about 4053.9379620315. The cubic root of 16434413 is about 254.2444017476.

Adding to 16434413 its reverse (31443461), we get a palindrome (47877874).

The spelling of 16434413 in words is "sixteen million, four hundred thirty-four thousand, four hundred thirteen".