19689339799708 has 24 divisors (see below), whose sum is σ = 34540553299392. Its totient is φ = 9820636514304.

The previous prime is 19689339799687. The next prime is 19689339799721. The reversal of 19689339799708 is 80799793398691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274116 + ... + 6281227.

It is an arithmetic number, because the mean of its divisors is an integer number (1439189720808).

Almost surely, 2^{19689339799708} is an apocalyptic number.

It is an amenable number.

19689339799708 is a deficient number, since it is larger than the sum of its proper divisors (14851213499684).

19689339799708 is a wasteful number, since it uses less digits than its factorization.

19689339799708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6557181 (or 6557179 counting only the distinct ones).

The product of its (nonzero) digits is 9999593856, while the sum is 88.

The spelling of 19689339799708 in words is "nineteen trillion, six hundred eighty-nine billion, three hundred thirty-nine million, seven hundred ninety-nine thousand, seven hundred eight".