19091091929100 has 72 divisors (see below), whose sum is σ = 56412145724928. Its totient is φ = 4982639592000.

The previous prime is 19091091929029. The next prime is 19091091929101. The reversal of 19091091929100 is 192919019091.

It is not an unprimeable number, because it can be changed into a prime (19091091929101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 676974976 + ... + 677003175.

Almost surely, 2^{19091091929100} is an apocalyptic number.

19091091929100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19091091929100 is an abundant number, since it is smaller than the sum of its proper divisors (37321053795828).

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

19091091929100 is a wasteful number, since it uses less digits than its factorization.

19091091929100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353978215 (or 1353978208 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 51.

The spelling of 19091091929100 in words is "nineteen trillion, ninety-one billion, ninety-one million, nine hundred twenty-nine thousand, one hundred".