2001006411 has 4 divisors (see below), whose sum is σ = 2668008552. Its totient is φ = 1334004272.

The previous prime is 2001006407. The next prime is 2001006443. The reversal of 2001006411 is 1146001002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2001006411 - 2² = 2001006407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001006461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333501066 + ... + 333501071.

It is an arithmetic number, because the mean of its divisors is an integer number (667002138).

Almost surely, 2^2001006411 is an apocalyptic number.

2001006411 is a deficient number, since it is larger than the sum of its proper divisors (667002141).

2001006411 is an equidigital number, since it uses as much as digits as its factorization.

2001006411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667002140.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2001006411 is about 44732.6101518791. The cubic root of 2001006411 is about 1260.1323475241.

Adding to 2001006411 its reverse (1146001002), we get a palindrome (3147007413).

The spelling of 2001006411 in words is "two billion, one million, six thousand, four hundred eleven".