411909813 has 32 divisors (see below), whose sum is σ = 738443520. Its totient is φ = 221529600.

The previous prime is 411909809. The next prime is 411909851. The reversal of 411909813 is 318909114.

It is not a de Polignac number, because 411909813 - 2² = 411909809 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411909893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60888 + ... + 67313.

It is an arithmetic number, because the mean of its divisors is an integer number (23076360).

Almost surely, 2^411909813 is an apocalyptic number.

It is an amenable number.

411909813 is a deficient number, since it is larger than the sum of its proper divisors (326533707).

411909813 is a wasteful number, since it uses less digits than its factorization.

411909813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128234 (or 128228 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 411909813 is about 20295.5614113037. The cubic root of 411909813 is about 744.0475873568.

The spelling of 411909813 in words is "four hundred eleven million, nine hundred nine thousand, eight hundred thirteen".