6381134818 has 8 divisors (see below), whose sum is σ = 9661157712. Its totient is φ = 3160748916.

The previous prime is 6381134803. The next prime is 6381134839. The reversal of 6381134818 is 8184311836.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 14908980 + ... + 14909407.

It is an arithmetic number, because the mean of its divisors is an integer number (1207644714).

Almost surely, 2^6381134818 is an apocalyptic number.

6381134818 is a deficient number, since it is larger than the sum of its proper divisors (3280022894).

6381134818 is a wasteful number, since it uses less digits than its factorization.

6381134818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29818496.

The product of its digits is 110592, while the sum is 43.

The square root of 6381134818 is about 79882.0055957535. The cubic root of 6381134818 is about 1854.8094793468.

The spelling of 6381134818 in words is "six billion, three hundred eighty-one million, one hundred thirty-four thousand, eight hundred eighteen".