19091091020002 has 8 divisors (see below), whose sum is σ = 28674767872512. Its totient is φ = 9532835062500.

The previous prime is 19091091019967. The next prime is 19091091020039. The reversal of 19091091020002 is 20002019019091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 19091091020002.

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, 6355221874 + ... + 6355224877.

It is an arithmetic number, because the mean of its divisors is an integer number (3584345984064).

Almost surely, 2^{19091091020002} is an apocalyptic number.

19091091020002 is a deficient number, since it is larger than the sum of its proper divisors (9583676852510).

19091091020002 is a wasteful number, since it uses less digits than its factorization.

19091091020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12710447504.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 19091091020002 in words is "nineteen trillion, ninety-one billion, ninety-one million, twenty thousand, two".