21834718485266 has 8 divisors (see below), whose sum is σ = 32933028434124. Its totient is φ = 10857042340560.

The previous prime is 21834718485253. The next prime is 21834718485287. The reversal of 21834718485266 is 66258481743812.

It can be written as a sum of positive squares in 2 ways, for example, as 16106809662241 + 5727908823025 = 4013329^2 + 2393305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30158450585 + ... + 30158451308.

Almost surely, 2^{21834718485266} is an apocalyptic number.

21834718485266 is a deficient number, since it is larger than the sum of its proper divisors (11098309948858).

21834718485266 is a wasteful number, since it uses less digits than its factorization.

21834718485266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60316902076.

The product of its digits is 123863040, while the sum is 65.

The spelling of 21834718485266 in words is "twenty-one trillion, eight hundred thirty-four billion, seven hundred eighteen million, four hundred eighty-five thousand, two hundred sixty-six".