219146299068 has 24 divisors (see below), whose sum is σ = 520008168960. Its totient is φ = 71810651440.

The previous prime is 219146299067. The next prime is 219146299091. The reversal of 219146299068 is 860992641912.

It is a junction number, because it is equal to n+sod(n) for n = 219146298999 and 219146299017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219146299067) 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 7 ways as a sum of consecutive naturals, for example, 154763628 + ... + 154765043.

It is an arithmetic number, because the mean of its divisors is an integer number (21667007040).

Almost surely, 2^219146299068 is an apocalyptic number.

It is an amenable number.

219146299068 is an abundant number, since it is smaller than the sum of its proper divisors (300861869892).

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

219146299068 is a wasteful number, since it uses less digits than its factorization.

219146299068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309528737 (or 309528735 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 57.

The spelling of 219146299068 in words is "two hundred nineteen billion, one hundred forty-six million, two hundred ninety-nine thousand, sixty-eight".