6838529850 has 36 divisors (see below), whose sum is σ = 18372851406. Its totient is φ = 1823607840.

The previous prime is 6838529839. The next prime is 6838529857. The reversal of 6838529850 is 589258386.

6838529850 is a `hidden beast` number, since 6 + 8 + 38 + 529 + 85 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 6169945401 + 668584449 = 78549^2 + 25857^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6838529857) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7597917 + ... + 7598816.

Almost surely, 2^6838529850 is an apocalyptic number.

6838529850 is an abundant number, since it is smaller than the sum of its proper divisors (11534321556).

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

6838529850 is a wasteful number, since it uses less digits than its factorization.

6838529850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15196751 (or 15196743 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The square root of 6838529850 is about 82695.4040439975. The cubic root of 6838529850 is about 1898.1079826698.

The spelling of 6838529850 in words is "six billion, eight hundred thirty-eight million, five hundred twenty-nine thousand, eight hundred fifty".