6689056250 has 24 divisors (see below), whose sum is σ = 12541189500. Its totient is φ = 2675620000.

The previous prime is 6689056247. The next prime is 6689056327. The reversal of 6689056250 is 526509866.

It can be written as a sum of positive squares in 6 ways, for example, as 672416761 + 6016639489 = 25931^2 + 77567^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6689056195 and 6689056204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 528875 + ... + 541374.

Almost surely, 2^6689056250 is an apocalyptic number.

6689056250 is a deficient number, since it is larger than the sum of its proper divisors (5852133250).

6689056250 is an equidigital number, since it uses as much as digits as its factorization.

6689056250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070276 (or 1070256 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 6689056250 is about 81786.6508056174. The cubic root of 6689056250 is about 1884.1766439359.

The spelling of 6689056250 in words is "six billion, six hundred eighty-nine million, fifty-six thousand, two hundred fifty".