21334210241986 has 8 divisors (see below), whose sum is σ = 32007724613964. Its totient is φ = 10664968704000.

The previous prime is 21334210241983. The next prime is 21334210242047. The reversal of 21334210241986 is 68914201243312.

It can be written as a sum of positive squares in 2 ways, for example, as 19629161891361 + 1705048350625 = 4430481^2 + 1305775^2 .

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

It is not an unprimeable number, because it can be changed into a prime (21334210241983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068196015 + ... + 1068215986.

Almost surely, 2^{21334210241986} is an apocalyptic number.

21334210241986 is a deficient number, since it is larger than the sum of its proper divisors (10673514371978).

21334210241986 is a wasteful number, since it uses less digits than its factorization.

21334210241986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136416996.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 21334210241986 in words is "twenty-one trillion, three hundred thirty-four billion, two hundred ten million, two hundred forty-one thousand, nine hundred eighty-six".