6518422003 has 4 divisors (see below), whose sum is σ = 6534841600. Its totient is φ = 6502002408.

The previous prime is 6518421991. The next prime is 6518422021. The reversal of 6518422003 is 3002248156.

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 6518422003 - 2²¹ = 6516324851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6518422103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8209203 + ... + 8209996.

It is an arithmetic number, because the mean of its divisors is an integer number (1633710400).

Almost surely, 2^6518422003 is an apocalyptic number.

6518422003 is a deficient number, since it is larger than the sum of its proper divisors (16419597).

6518422003 is a wasteful number, since it uses less digits than its factorization.

6518422003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16419596.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 6518422003 is about 80736.7450607219. The cubic root of 6518422003 is about 1868.0170008365.

The spelling of 6518422003 in words is "six billion, five hundred eighteen million, four hundred twenty-two thousand, three".