219883068921 has 16 divisors (see below), whose sum is σ = 300343575168. Its totient is φ = 143006006400.

The previous prime is 219883068877. The next prime is 219883068953. The reversal of 219883068921 is 129860388912.

It is a happy number.

It is not a de Polignac number, because 219883068921 - 2⁹ = 219883068409 is a prime.

It is a super-2 number, since 2×219883068921² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (219883028921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3383151 + ... + 3447531.

It is an arithmetic number, because the mean of its divisors is an integer number (18771473448).

Almost surely, 2^219883068921 is an apocalyptic number.

It is an amenable number.

219883068921 is a deficient number, since it is larger than the sum of its proper divisors (80460506247).

219883068921 is a wasteful number, since it uses less digits than its factorization.

219883068921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92192.

The product of its (nonzero) digits is 2985984, while the sum is 57.

The spelling of 219883068921 in words is "two hundred nineteen billion, eight hundred eighty-three million, sixty-eight thousand, nine hundred twenty-one".