2006443407 has 4 divisors (see below), whose sum is σ = 2675257880. Its totient is φ = 1337628936.

The previous prime is 2006443393. The next prime is 2006443423. The reversal of 2006443407 is 7043446002.

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

It is not a de Polignac number, because 2006443407 - 2⁷ = 2006443279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006441407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334407232 + ... + 334407237.

It is an arithmetic number, because the mean of its divisors is an integer number (668814470).

Almost surely, 2^2006443407 is an apocalyptic number.

2006443407 is a deficient number, since it is larger than the sum of its proper divisors (668814473).

2006443407 is an equidigital number, since it uses as much as digits as its factorization.

2006443407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668814472.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 2006443407 is about 44793.3411011056. The cubic root of 2006443407 is about 1261.2726301541.

Adding to 2006443407 its reverse (7043446002), we get a palindrome (9049889409).

The spelling of 2006443407 in words is "two billion, six million, four hundred forty-three thousand, four hundred seven".