219424128068 has 24 divisors (see below), whose sum is σ = 384904511712. Its totient is φ = 109451502144.

The previous prime is 219424128031. The next prime is 219424128103. The reversal of 219424128068 is 860821424912.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15982655 + ... + 15996377.

It is an arithmetic number, because the mean of its divisors is an integer number (16037687988).

Almost surely, 2^219424128068 is an apocalyptic number.

It is an amenable number.

219424128068 is a deficient number, since it is larger than the sum of its proper divisors (165480383644).

219424128068 is a wasteful number, since it uses less digits than its factorization.

219424128068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22931 (or 22929 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 219424128068 in words is "two hundred nineteen billion, four hundred twenty-four million, one hundred twenty-eight thousand, sixty-eight".