19309368015988 has 12 divisors (see below), whose sum is σ = 33791698068352. Its totient is φ = 9654597139320.

The previous prime is 19309368015859. The next prime is 19309368015997. The reversal of 19309368015988 is 88951086390391.

It is a super-2 number, since 2×19309368015988² (a number of 27 digits) contains 22 as substring.

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, 21215748 + ... + 22107163.

Almost surely, 2^{19309368015988} is an apocalyptic number.

It is an amenable number.

19309368015988 is a deficient number, since it is larger than the sum of its proper divisors (14482330052364).

19309368015988 is a wasteful number, since it uses less digits than its factorization.

19309368015988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43434342 (or 43434340 counting only the distinct ones).

The product of its (nonzero) digits is 100776960, while the sum is 70.

The spelling of 19309368015988 in words is "nineteen trillion, three hundred nine billion, three hundred sixty-eight million, fifteen thousand, nine hundred eighty-eight".