2006719403 has 4 divisors (see below), whose sum is σ = 2161082448. Its totient is φ = 1852356360.

The previous prime is 2006719397. The next prime is 2006719453. The reversal of 2006719403 is 3049176002.

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 2006719403 - 2⁶ = 2006719339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2006719403.

It is not an unprimeable number, because it can be changed into a prime (2006719453) 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, 77181503 + ... + 77181528.

It is an arithmetic number, because the mean of its divisors is an integer number (540270612).

Almost surely, 2^2006719403 is an apocalyptic number.

2006719403 is a deficient number, since it is larger than the sum of its proper divisors (154363045).

2006719403 is a wasteful number, since it uses less digits than its factorization.

2006719403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154363044.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 2006719403 is about 44796.4217655830. The cubic root of 2006719403 is about 1261.3304588872.

The spelling of 2006719403 in words is "two billion, six million, seven hundred nineteen thousand, four hundred three".