219720380553 has 12 divisors (see below), whose sum is σ = 317407757680. Its totient is φ = 146464619256.

The previous prime is 219720380527. The next prime is 219720380567. The reversal of 219720380553 is 355083027912.

219720380553 is a `hidden beast` number, since 2 + 1 + 97 + 2 + 0 + 3 + 8 + 0 + 553 = 666.

It is not a de Polignac number, because 219720380553 - 2⁶ = 219720380489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 219720380499 and 219720380508.

It is not an unprimeable number, because it can be changed into a prime (219720380053) 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, 1213543 + ... + 1382796.

Almost surely, 2^219720380553 is an apocalyptic number.

It is an amenable number.

219720380553 is a deficient number, since it is larger than the sum of its proper divisors (97687377127).

219720380553 is a wasteful number, since it uses less digits than its factorization.

219720380553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605748 (or 2605745 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 219720380553 in words is "two hundred nineteen billion, seven hundred twenty million, three hundred eighty thousand, five hundred fifty-three".