2011000409 has 8 divisors (see below), whose sum is σ = 2194300800. Its totient is φ = 1827780400.

The previous prime is 2011000367. The next prime is 2011000417. The reversal of 2011000409 is 9040001102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011000409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011000429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40067 + ... + 75015.

It is an arithmetic number, because the mean of its divisors is an integer number (274287600).

Almost surely, 2^2011000409 is an apocalyptic number.

It is an amenable number.

2011000409 is a deficient number, since it is larger than the sum of its proper divisors (183300391).

2011000409 is a wasteful number, since it uses less digits than its factorization.

2011000409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40191.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2011000409 is about 44844.1792097927. The cubic root of 2011000409 is about 1262.2267688817.

The spelling of 2011000409 in words is "two billion, eleven million, four hundred nine", and thus it is an aban number.