419648009 has 16 divisors (see below), whose sum is σ = 501448320. Its totient is φ = 346671360.

The previous prime is 419647981. The next prime is 419648017. The reversal of 419648009 is 900846914.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-419648009 is a prime.

It is a super-2 number, since 2×419648009² = 352208902915328162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (419648069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33269 + ... + 44114.

It is an arithmetic number, because the mean of its divisors is an integer number (31340520).

Almost surely, 2^419648009 is an apocalyptic number.

It is an amenable number.

419648009 is a deficient number, since it is larger than the sum of its proper divisors (81800311).

419648009 is a wasteful number, since it uses less digits than its factorization.

419648009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77440.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 419648009 is about 20485.3120308186. The cubic root of 419648009 is about 748.6779726571.

The spelling of 419648009 in words is "four hundred nineteen million, six hundred forty-eight thousand, nine".