6868049290 has 8 divisors (see below), whose sum is σ = 12362488740. Its totient is φ = 2747219712.

The previous prime is 6868049273. The next prime is 6868049299. The reversal of 6868049290 is 929408686.

It can be written as a sum of positive squares in 2 ways, for example, as 6763253121 + 104796169 = 82239^2 + 10237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6868049299) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 343402455 + ... + 343402474.

Almost surely, 2^6868049290 is an apocalyptic number.

6868049290 is a deficient number, since it is larger than the sum of its proper divisors (5494439450).

6868049290 is a wasteful number, since it uses less digits than its factorization.

6868049290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686804936.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 6868049290 is about 82873.6948011853. The cubic root of 6868049290 is about 1900.8352089793.

The spelling of 6868049290 in words is "six billion, eight hundred sixty-eight million, forty-nine thousand, two hundred ninety".