219997149282 has 32 divisors (see below), whose sum is σ = 500251920960. Its totient is φ = 71626978080.

The previous prime is 219997149271. The next prime is 219997149299. The reversal of 219997149282 is 282941799912.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 47370019 + ... + 47374662.

It is an arithmetic number, because the mean of its divisors is an integer number (15632872530).

Almost surely, 2^219997149282 is an apocalyptic number.

219997149282 is an abundant number, since it is smaller than the sum of its proper divisors (280254771678).

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

219997149282 is a wasteful number, since it uses less digits than its factorization.

219997149282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94744735 (or 94744729 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 63.

The spelling of 219997149282 in words is "two hundred nineteen billion, nine hundred ninety-seven million, one hundred forty-nine thousand, two hundred eighty-two".