219032352009 has 12 divisors (see below), whose sum is σ = 317879498352. Its totient is φ = 145329521400.

The previous prime is 219032351963. The next prime is 219032352053. The reversal of 219032352009 is 900253230912.

219032352009 is a `hidden beast` number, since 21 + 90 + 3 + 23 + 520 + 0 + 9 = 666.

It is not a de Polignac number, because 219032352009 - 2¹⁷ = 219032220937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (219032351009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57668547 + ... + 57672344.

It is an arithmetic number, because the mean of its divisors is an integer number (26489958196).

Almost surely, 2^219032352009 is an apocalyptic number.

It is an amenable number.

219032352009 is a deficient number, since it is larger than the sum of its proper divisors (98847146343).

219032352009 is a wasteful number, since it uses less digits than its factorization.

219032352009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115341108 (or 115341105 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The spelling of 219032352009 in words is "two hundred nineteen billion, thirty-two million, three hundred fifty-two thousand, nine".