419996409 has 16 divisors (see below), whose sum is σ = 640847232. Its totient is φ = 239678208.

The previous prime is 419996389. The next prime is 419996411. The reversal of 419996409 is 904699914.

It is not a de Polignac number, because 419996409 - 2⁵ = 419996377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (419996459) 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 in 15 ways as a sum of consecutive naturals, for example, 3297 + ... + 29169.

It is an arithmetic number, because the mean of its divisors is an integer number (40052952).

Almost surely, 2^419996409 is an apocalyptic number.

It is an amenable number.

419996409 is a deficient number, since it is larger than the sum of its proper divisors (220850823).

419996409 is a wasteful number, since it uses less digits than its factorization.

419996409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26656.

The product of its (nonzero) digits is 629856, while the sum is 51.

The square root of 419996409 is about 20493.8139203029. The cubic root of 419996409 is about 748.8851043871.

The spelling of 419996409 in words is "four hundred nineteen million, nine hundred ninety-six thousand, four hundred nine".