21636300664234 has 8 divisors (see below), whose sum is σ = 32617538690400. Its totient is φ = 10763787767436.

The previous prime is 21636300664217. The next prime is 21636300664271. The reversal of 21636300664234 is 43246600363612.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27181281844 + ... + 27181282639.

It is an arithmetic number, because the mean of its divisors is an integer number (4077192336300).

Almost surely, 2^{21636300664234} is an apocalyptic number.

21636300664234 is a deficient number, since it is larger than the sum of its proper divisors (10981238026166).

21636300664234 is a wasteful number, since it uses less digits than its factorization.

21636300664234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54362564684.

The product of its (nonzero) digits is 2239488, while the sum is 46.

The spelling of 21636300664234 in words is "twenty-one trillion, six hundred thirty-six billion, three hundred million, six hundred sixty-four thousand, two hundred thirty-four".