19627191282068 has 12 divisors (see below), whose sum is σ = 34355105595552. Its totient is φ = 9811446826200.

The previous prime is 19627191282059. The next prime is 19627191282071. The reversal of 19627191282068 is 86028219172691.

It is a super-2 number, since 2×19627191282068² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19627191282068.

It is a congruent number.

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, 537183158 + ... + 537219693.

It is an arithmetic number, because the mean of its divisors is an integer number (2862925466296).

Almost surely, 2^{19627191282068} is an apocalyptic number.

It is an amenable number.

19627191282068 is a deficient number, since it is larger than the sum of its proper divisors (14727914313484).

19627191282068 is a wasteful number, since it uses less digits than its factorization.

19627191282068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074407422 (or 1074407420 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 62.

The spelling of 19627191282068 in words is "nineteen trillion, six hundred twenty-seven billion, one hundred ninety-one million, two hundred eighty-two thousand, sixty-eight".