6865488194 has 16 divisors (see below), whose sum is σ = 10360666680. Its totient is φ = 3411953280.

The previous prime is 6865488193. The next prime is 6865488211. The reversal of 6865488194 is 4918845686.

It can be written as a sum of positive squares in 4 ways, for example, as 6159895225 + 705592969 = 78485^2 + 26563^2 .

It is not an unprimeable number, because it can be changed into a prime (6865488193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891392 + ... + 899060.

Almost surely, 2^6865488194 is an apocalyptic number.

6865488194 is a deficient number, since it is larger than the sum of its proper divisors (3495178486).

6865488194 is a wasteful number, since it uses less digits than its factorization.

6865488194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10325.

The product of its digits is 13271040, while the sum is 59.

The square root of 6865488194 is about 82858.2415574938. The cubic root of 6865488194 is about 1900.5989057491.

The spelling of 6865488194 in words is "six billion, eight hundred sixty-five million, four hundred eighty-eight thousand, one hundred ninety-four".