6851290950 has 144 divisors (see below), whose sum is σ = 21070838880. Its totient is φ = 1563471360.

The previous prime is 6851290949. The next prime is 6851290967. The reversal of 6851290950 is 590921586.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 6851290896 and 6851290905.

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 in 71 ways as a sum of consecutive naturals, for example, 2509186 + ... + 2511914.

It is an arithmetic number, because the mean of its divisors is an integer number (146325270).

Almost surely, 2^6851290950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6851290950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10535419440).

6851290950 is an abundant number, since it is smaller than the sum of its proper divisors (14219547930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6851290950 is a wasteful number, since it uses less digits than its factorization.

6851290950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551 (or 3543 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 6851290950 is about 82772.5253329872. The cubic root of 6851290950 is about 1899.2879095148.

The spelling of 6851290950 in words is "six billion, eight hundred fifty-one million, two hundred ninety thousand, nine hundred fifty".