2068929494866 has 8 divisors (see below), whose sum is σ = 3342116876364. Its totient is φ = 954890536080.

The previous prime is 2068929494851. The next prime is 2068929494897. The reversal of 2068929494866 is 6684949298602.

It can be written as a sum of positive squares in 2 ways, for example, as 2068911133641 + 18361225 = 1438371^2 + 4285^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39787105645 + ... + 39787105696.

Almost surely, 2^{2068929494866} is an apocalyptic number.

2068929494866 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2068929494866 is a deficient number, since it is larger than the sum of its proper divisors (1273187381498).

2068929494866 is a wasteful number, since it uses less digits than its factorization.

2068929494866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79574211356.

The product of its (nonzero) digits is 644972544, while the sum is 73.

The spelling of 2068929494866 in words is "two trillion, sixty-eight billion, nine hundred twenty-nine million, four hundred ninety-four thousand, eight hundred sixty-six".