6403079194 has 16 divisors (see below), whose sum is σ = 9904991040. Its totient is φ = 3102944320.

The previous prime is 6403079191. The next prime is 6403079203. The reversal of 6403079194 is 4919703046.

It is a self number, because there is not a number n which added to its sum of digits gives 6403079194.

It is not an unprimeable number, because it can be changed into a prime (6403079191) 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 7 ways as a sum of consecutive naturals, for example, 373759 + ... + 390514.

It is an arithmetic number, because the mean of its divisors is an integer number (619061940).

Almost surely, 2^6403079194 is an apocalyptic number.

6403079194 is a deficient number, since it is larger than the sum of its proper divisors (3501911846).

6403079194 is a wasteful number, since it uses less digits than its factorization.

6403079194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764405.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 6403079194 is about 80019.2426482531. The cubic root of 6403079194 is about 1856.9332430486.

The spelling of 6403079194 in words is "six billion, four hundred three million, seventy-nine thousand, one hundred ninety-four".