19090920193 has 8 divisors (see below), whose sum is σ = 19171797120. Its totient is φ = 19010082000.

The previous prime is 19090920137. The next prime is 19090920203. The reversal of 19090920193 is 39102909091.

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

It is a cyclic number.

It is not a de Polignac number, because 19090920193 - 2⁹ = 19090919681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19090920113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1410663 + ... + 1424131.

It is an arithmetic number, because the mean of its divisors is an integer number (2396474640).

Almost surely, 2^19090920193 is an apocalyptic number.

It is an amenable number.

19090920193 is a deficient number, since it is larger than the sum of its proper divisors (80876927).

19090920193 is a wasteful number, since it uses less digits than its factorization.

19090920193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19367.

The product of its (nonzero) digits is 39366, while the sum is 43.

The spelling of 19090920193 in words is "nineteen billion, ninety million, nine hundred twenty thousand, one hundred ninety-three".