219347430009 has 32 divisors (see below), whose sum is σ = 310483445760. Its totient is φ = 137444554368.

The previous prime is 219347429981. The next prime is 219347430011. The reversal of 219347430009 is 900034743912.

It is not a de Polignac number, because 219347430009 - 2¹⁹ = 219346905721 is a prime.

It is a super-2 number, since 2×219347430009² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (219347435009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10830957 + ... + 10851189.

It is an arithmetic number, because the mean of its divisors is an integer number (9702607680).

Almost surely, 2^219347430009 is an apocalyptic number.

It is an amenable number.

219347430009 is a deficient number, since it is larger than the sum of its proper divisors (91136015751).

219347430009 is a wasteful number, since it uses less digits than its factorization.

219347430009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22981.

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 219347430009 in words is "two hundred nineteen billion, three hundred forty-seven million, four hundred thirty thousand, nine".