16435493 has 2 divisors, whose sum is σ = 16435494. Its totient is φ = 16435492.

The previous prime is 16435469. The next prime is 16435553. The reversal of 16435493 is 39453461.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9375844 + 7059649 = 3062^2 + 2657^2 .

It is an emirp because it is prime and its reverse (39453461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16435493 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 (16435193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8217746 + 8217747.

It is an arithmetic number, because the mean of its divisors is an integer number (8217747).

Almost surely, 2^16435493 is an apocalyptic number.

It is an amenable number.

16435493 is a deficient number, since it is larger than the sum of its proper divisors (1).

16435493 is an equidigital number, since it uses as much as digits as its factorization.

16435493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The square root of 16435493 is about 4054.0711636576. The cubic root of 16435493 is about 254.2499709140.

The spelling of 16435493 in words is "sixteen million, four hundred thirty-five thousand, four hundred ninety-three".