6318429872 has 20 divisors (see below), whose sum is σ = 12278952936. Its totient is φ = 3149667840.

The previous prime is 6318429853. The next prime is 6318429877. The reversal of 6318429872 is 2789248136.

It is a self number, because there is not a number n which added to its sum of digits gives 6318429872.

It is not an unprimeable number, because it can be changed into a prime (6318429877) 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, 591233 + ... + 601824.

Almost surely, 2^6318429872 is an apocalyptic number.

It is an amenable number.

6318429872 is a deficient number, since it is larger than the sum of its proper divisors (5960523064).

6318429872 is a wasteful number, since it uses less digits than its factorization.

6318429872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193396 (or 1193390 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 6318429872 is about 79488.5518298075. The cubic root of 6318429872 is about 1848.7139707954.

The spelling of 6318429872 in words is "six billion, three hundred eighteen million, four hundred twenty-nine thousand, eight hundred seventy-two".