416199649 has 2 divisors, whose sum is σ = 416199650. Its totient is φ = 416199648.

The previous prime is 416199647. The next prime is 416199671. The reversal of 416199649 is 946991614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256000000 + 160199649 = 16000^2 + 12657^2 .

It is a cyclic number.

It is not a de Polignac number, because 416199649 - 2¹ = 416199647 is a prime.

Together with 416199647, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (416199647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208099824 + 208099825.

It is an arithmetic number, because the mean of its divisors is an integer number (208099825).

Almost surely, 2^416199649 is an apocalyptic number.

It is an amenable number.

416199649 is a deficient number, since it is larger than the sum of its proper divisors (1).

416199649 is an equidigital number, since it uses as much as digits as its factorization.

416199649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 49.

The square root of 416199649 is about 20400.9717660704. The cubic root of 416199649 is about 746.6216340781.

The spelling of 416199649 in words is "four hundred sixteen million, one hundred ninety-nine thousand, six hundred forty-nine".