19136989089 has 12 divisors (see below), whose sum is σ = 27649704576. Its totient is φ = 12754583352.

The previous prime is 19136989049. The next prime is 19136989111. The reversal of 19136989089 is 98098963191.

19136989089 is a `hidden beast` number, since 191 + 369 + 8 + 9 + 0 + 89 = 666.

It is not a de Polignac number, because 19136989089 - 2¹⁷ = 19136858017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19136989019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248329 + ... + 316134.

It is an arithmetic number, because the mean of its divisors is an integer number (2304142048).

Almost surely, 2^19136989089 is an apocalyptic number.

It is an amenable number.

19136989089 is a deficient number, since it is larger than the sum of its proper divisors (8512715487).

19136989089 is a wasteful number, since it uses less digits than its factorization.

19136989089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568236 (or 568233 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 63.

The spelling of 19136989089 in words is "nineteen billion, one hundred thirty-six million, nine hundred eighty-nine thousand, eighty-nine".