19100545089 has 8 divisors (see below), whose sum is σ = 26059658592. Its totient is φ = 12437564160.

The previous prime is 19100545049. The next prime is 19100545133. The reversal of 19100545089 is 98054500191.

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

It is not a de Polignac number, because 19100545089 - 2⁷ = 19100544961 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 19100545089.

It is not an unprimeable number, because it can be changed into a prime (19100545019) 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, 74032992 + ... + 74033249.

It is an arithmetic number, because the mean of its divisors is an integer number (3257457324).

Almost surely, 2^19100545089 is an apocalyptic number.

It is an amenable number.

19100545089 is a deficient number, since it is larger than the sum of its proper divisors (6959113503).

19100545089 is a wasteful number, since it uses less digits than its factorization.

19100545089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148066287.

The product of its (nonzero) digits is 64800, while the sum is 42.

The spelling of 19100545089 in words is "nineteen billion, one hundred million, five hundred forty-five thousand, eighty-nine".