19091090920192 has 18 divisors (see below), whose sum is σ = 38107607266988. Its totient is φ = 9545545459968.

The previous prime is 19091090920147. The next prime is 19091090920283. The reversal of 19091090920192 is 29102909019091.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37287286698 + ... + 37287287209.

Almost surely, 2^{19091090920192} is an apocalyptic number.

It is an amenable number.

19091090920192 is a deficient number, since it is larger than the sum of its proper divisors (19016516346796).

19091090920192 is an frugal number, since it uses more digits than its factorization.

19091090920192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74574573923 (or 74574573909 counting only the distinct ones).

The product of its (nonzero) digits is 236196, while the sum is 52.

The spelling of 19091090920192 in words is "nineteen trillion, ninety-one billion, ninety million, nine hundred twenty thousand, one hundred ninety-two".