68274494866 has 8 divisors (see below), whose sum is σ = 105179627340. Its totient is φ = 33214619088.

The previous prime is 68274494857. The next prime is 68274494921. The reversal of 68274494866 is 66849447286.

It can be written as a sum of positive squares in 2 ways, for example, as 59233337641 + 9041157225 = 243379^2 + 95085^2 .

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

It is a super-2 number, since 2×68274494866² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68274494798 and 68274494807.

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, 461314081 + ... + 461314228.

Almost surely, 2^68274494866 is an apocalyptic number.

68274494866 is a deficient number, since it is larger than the sum of its proper divisors (36905132474).

68274494866 is a wasteful number, since it uses less digits than its factorization.

68274494866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922628348.

The product of its digits is 111476736, while the sum is 64.

The spelling of 68274494866 in words is "sixty-eight billion, two hundred seventy-four million, four hundred ninety-four thousand, eight hundred sixty-six".