6781673350850 has 24 divisors (see below), whose sum is σ = 12662993827908. Its totient is φ = 2702114201600.

The previous prime is 6781673350831. The next prime is 6781673350853. The reversal of 6781673350850 is 580533761876.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4996373856049 + 1785299494801 = 2235257^2 + 1336151^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6781673350850.

It is not an unprimeable number, because it can be changed into a prime (6781673350853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263865491 + ... + 263891190.

Almost surely, 2^{6781673350850} is an apocalyptic number.

6781673350850 is a deficient number, since it is larger than the sum of its proper divisors (5881320477058).

6781673350850 is a wasteful number, since it uses less digits than its factorization.

6781673350850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527756950 (or 527756945 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 6781673350850 in words is "six trillion, seven hundred eighty-one billion, six hundred seventy-three million, three hundred fifty thousand, eight hundred fifty".