219880339396 has 9 divisors (see below), whose sum is σ = 384792235149. Its totient is φ = 109939700784.

The previous prime is 219880339373. The next prime is 219880339409. The reversal of 219880339396 is 693933088912.

The square root of 219880339396 is 468914.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 42753832900 + 177126506496 = 206770^2 + 420864^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 820600 + ... + 1055056.

Almost surely, 2^219880339396 is an apocalyptic number.

219880339396 is the 468914-th square number.

It is an amenable number.

219880339396 is a deficient number, since it is larger than the sum of its proper divisors (164911895753).

219880339396 is an frugal number, since it uses more digits than its factorization.

219880339396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468918 (or 234459 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 61.

The spelling of 219880339396 in words is "two hundred nineteen billion, eight hundred eighty million, three hundred thirty-nine thousand, three hundred ninety-six".