6812118958 has 4 divisors (see below), whose sum is σ = 10218178440. Its totient is φ = 3406059478.

The previous prime is 6812118919. The next prime is 6812118961. The reversal of 6812118958 is 8598112186.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1703029738 + ... + 1703029741.

It is an arithmetic number, because the mean of its divisors is an integer number (2554544610).

Almost surely, 2^6812118958 is an apocalyptic number.

6812118958 is a deficient number, since it is larger than the sum of its proper divisors (3406059482).

6812118958 is a wasteful number, since it uses less digits than its factorization.

6812118958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406059481.

The product of its digits is 276480, while the sum is 49.

The square root of 6812118958 is about 82535.5617779391. The cubic root of 6812118958 is about 1895.6612872050.

The spelling of 6812118958 in words is "six billion, eight hundred twelve million, one hundred eighteen thousand, nine hundred fifty-eight".