219872729056 has 48 divisors (see below), whose sum is σ = 454400077824. Its totient is φ = 104526784384.

The previous prime is 219872729053. The next prime is 219872729077. The reversal of 219872729056 is 650927278912.

It is a super-2 number, since 2×219872729056² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219872729051) 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, 771520 + ... + 1017343.

It is an arithmetic number, because the mean of its divisors is an integer number (9466668288).

Almost surely, 2^219872729056 is an apocalyptic number.

It is an amenable number.

219872729056 is an abundant number, since it is smaller than the sum of its proper divisors (234527348768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

219872729056 is a wasteful number, since it uses less digits than its factorization.

219872729056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789063 (or 1789055 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 58.

The spelling of 219872729056 in words is "two hundred nineteen billion, eight hundred seventy-two million, seven hundred twenty-nine thousand, fifty-six".