19709750838228 has 48 divisors (see below), whose sum is σ = 50172679972800. Its totient is φ = 5972365446400.

The previous prime is 19709750838223. The next prime is 19709750838251. The reversal of 19709750838228 is 82283805790791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19709750838223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807003 + ... + 6330146.

It is an arithmetic number, because the mean of its divisors is an integer number (1045264166100).

Almost surely, 2^{19709750838228} is an apocalyptic number.

It is an amenable number.

19709750838228 is an abundant number, since it is smaller than the sum of its proper divisors (30462929134572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19709750838228 is a wasteful number, since it uses less digits than its factorization.

19709750838228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7158088 (or 7158086 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 69.

The spelling of 19709750838228 in words is "nineteen trillion, seven hundred nine billion, seven hundred fifty million, eight hundred thirty-eight thousand, two hundred twenty-eight".