16450949 has 2 divisors, whose sum is σ = 16450950. Its totient is φ = 16450948.

The previous prime is 16450939. The next prime is 16450961. The reversal of 16450949 is 94905461.

16450949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11356900 + 5094049 = 3370^2 + 2257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16450949 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 (16450939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8225474 + 8225475.

It is an arithmetic number, because the mean of its divisors is an integer number (8225475).

Almost surely, 2^16450949 is an apocalyptic number.

It is an amenable number.

16450949 is a deficient number, since it is larger than the sum of its proper divisors (1).

16450949 is an equidigital number, since it uses as much as digits as its factorization.

16450949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 16450949 is about 4055.9769476662. The cubic root of 16450949 is about 254.3296451565.

The spelling of 16450949 in words is "sixteen million, four hundred fifty thousand, nine hundred forty-nine".